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LPGP2.m
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LPGP2.m
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% Adapted code
%
sca
Screen('Preference','SkipSyncTests', 2);
KbName('UnifyKeyNames');
clc
RandStream.setGlobalStream(RandStream('mt19937ar','seed',sum(100*clock)));% reset the random seed
% %%% Enter particpiant info %%%
fail1='Program aborted. Participant number or age not entered';% errormessage which is printed to command window
prompt = {'Enter participant number:' 'Enter your age' 'Session_1_2' 'Condition_1low_2high' 'Order_1_2'};
dlg_title ='New Participant';
num_lines = 1;
def = {'0' '0' '0' '0' '0'};
answer = inputdlg(prompt,dlg_title,num_lines,def);%presents box to enterdata into
switch isempty(answer)
case 1%deals with both cancel and X presses
error(fail1)
case 0
thissub = (answer{1}); %participant ID number
age = (answer{2});
age = str2double(age); % participant age(estimate)
session = str2double(answer{3}); %session 1 or 2
condition = str2double(answer{4});% High conflict or low conflict
order=str2double(answer{5}); % order 1 or 2
end
HideCursor;
%%% define global constants:
ResultsFolder ='/Users/shaunogrady/desktop/LPGP2/SubData/';
Outputfile = [ResultsFolder 'LPGP2_' thissub '.mat'];
switch session
case 1
phase = 1;
Assessment_Results = assessmentPhase(thissub, age, condition, order,phase,Outputfile);
save(Outputfile,'Assessment_Results');
ShowCursor;
sca
case 2
Conflict_Results = conflictPhase(thissub, condition, order, Outputfile);
phase = 3;
Test_Results = assessmentPhase(thissub, age, condition, order, phase, Outputfile);
Test_Results.data(:,20)=3;
Conflict_Results.data = vertcat(Conflict_Results.data, Test_Results.data);
save(Outputfile, 'Conflict_Results');
RestrictKeysForKbCheck([]);
ShowCursor;
sca
end
%Define function for the assessment phase:
function[Assessment_Results] = assessmentPhase(thissub, age, condition, order, phase, Outputfile)
ListenChar(2);
preference = '';
CompScreen = get(0,'ScreenSize');% Find out the size of this computerscreen
win = Screen('OpenWindow',0, [900 900 1000], CompScreen); % Full sizedscreen
strategy=1;
stratScore = 0;
switch order
case 1
StimuliFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order1/';
case 2
StimuliFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order2/';
end
FileName = '/Users/shaunogrady/desktop/LPGP2/Images/startScreen.jpg';% select the filename for the current trial
Stim = imread(FileName);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
% Helper functions (help PsychRects) allow to manipulate rectangles,
% e.g., shift a rect 'r1' around by an x,y offset:
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
% Present Image
Screen('DrawText', win,'Press space bar to start.', 600, 700, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
KbWait;% Wait for a key press
switch phase
case 1
% %%%% start preference test
% % Load image file into matlab
FileName = '/Users/shaunogrady/desktop/LPGP2/Images/prefCheck.jpg';% select the filename for the current trial
Stim = imread(FileName);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
% % % Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
Screen('DrawText', win,'In this game, you will collect marbles like the ones on the screen.', 400, 50, [0, 0, 0]);
Screen('DrawText', win,'Before we begin please tell me which color marble you like best:', 400, 100, [0, 0, 0]);
Screen('DrawText', win,'Press ''G'' if you like green marbles.', 200, 800, [0, 0, 0]);
Screen('DrawText', win,'Press ''P'' if you like purple marbles.', 800, 800, [0, 0, 0]);
%Restrict keys
RestrictKeysForKbCheck([10 19]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% % % Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
% get filenames:
switch response
case 'p'
StimList= dir([StimuliFolder 'Purple_*.jpg']);
preference = 'p';
case 'g'
StimList = dir([StimuliFolder 'Green_*.jpg']);
preference = 'g';
end
case 3
load(Outputfile);
preference = Assessment_Results.data(1,2);
switch preference
case 1
StimList= dir([StimuliFolder 'Purple_*.jpg']);
preference = 'p';
case 0
StimList = dir([StimuliFolder 'Green_*.jpg']);
preference = 'g';
end
end
% Begin instructions:
% In this game you will collect your favorite color marble by choosing one
% of these gumball machines. We will play the first round together so I can show you how to play
FileName = '/Users/shaunogrady/desktop/LPGP2/Images/emptyMachines.jpg';% select the filename for the current trial
Stim = imread(FileName);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
% Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
Screen('DrawText', win,'Try to collect your favorite marble by choosing one of the gumball machines.', 250, 75, [0, 0, 0]);
Screen('DrawText', win,'Press ''Z'' for this machine.', 450, 750, [0, 0, 0]);
Screen('DrawText', win,'Press ''M'' for this machine.', 750, 750, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
RestrictKeysForKbCheck([]);
WaitSecs(.5);
KbWait;% Wait for a key press
trials= randperm(length(StimList));
% for loop should start here
for trial=1:length(StimList)
%Load image file into matlab
FileName = StimList(trials(trial)).name;% select the filename for the current trial
countOrder = randperm(4);
Stim = imread([StimuliFolder FileName]);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
for countQ = 1:length(countOrder)
count=countOrder(countQ);
RestrictKeysForKbCheck([30 31 32 33 34 35 36 37 38 39]);
switch count
case 1 % get kids count for green on left side
%Present Image
%number of green marbles on left side:
if (preference == 'p')
ActualCount = FileName((length(FileName)-10):(length(FileName)-10));
else
ActualCount = FileName((length(FileName)-12):(length(FileName)-12));
end
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 200, 800, [0, 0, 0]);
Screen('DrawText', win,' green ', 200, 800, [0, 128, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check1 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 200, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' green marble(s) are on this side.');
Screen('DrawText', win,phrase1, 200, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 200, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
case 2 % get kids count for purple on left side
%number of green marbles on left side:
%number of green marbles on left side:
if (preference == 'p')
ActualCount = FileName((length(FileName)-12):(length(FileName)-12));
else
ActualCount = FileName((length(FileName)-10):(length(FileName)-10));
end
%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 200, 800, [0, 0, 0]);
Screen('DrawText', win,' purple ', 200, 800, [128, 0, 128]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check2 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check2 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 200, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' purple marble(s) are on this side.');
Screen('DrawText', win,phrase1, 200, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 200, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
case 3 % get kids count for green on right side
%number of green marbles on left side:
%number of green marbles on left side:
if (preference == 'p')
ActualCount = FileName((length(FileName)-6):(length(FileName)-6));
else
ActualCount = FileName((length(FileName)-8):(length(FileName)-8));
end
%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 800, 800, [0, 0, 0]);
Screen('DrawText', win,' green ', 800, 800, [0, 128, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check3 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check3 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 800, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' green marble(s) are on this side.');
Screen('DrawText', win,phrase1, 800, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 800, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
case 4 % get kids count for purple on right side
%number of green marbles on left side:
%number of green marbles on left side:
if (preference == 'p')
ActualCount = FileName((length(FileName)-8):(length(FileName)-8));
else
ActualCount = FileName((length(FileName)-6):(length(FileName)-6));
end%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 800, 800, [0, 0, 0]);
Screen('DrawText', win,' purple ', 800, 800, [128, 0, 128]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check4 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check4 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 800, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' purple marble(s) are on this side.');
Screen('DrawText', win,phrase1, 800, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 800, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
end
end
RestrictKeysForKbCheck([]);
%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
RestrictKeysForKbCheck([29 16]);% Restrict keys to 'z' (29) and'm' (16)
Screen('DrawText', win,'Which would you pick to get a marble?', 250, 75, [0, 0, 0]);
if (preference == 'g')
Screen('DrawText', win,' green ', 250, 75, [0, 128, 0]);
else
Screen('DrawText', win,' purple ', 250, 75, [128, 0, 128]);
end
Screen('DrawText', win,'Press ''Z'' for this machine.', 450, 750, [0, 0, 0]);
Screen('DrawText', win,'Press ''M'' for this machine.', 750, 750, [0, 0, 0]);
Screen('Flip', win, 1);% present to th m3514e screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and checkwhich key was pressed
response=KbName(keyCode);
responsenumber=KbName(response);
% record data & Create results file:
trialName=StimList(trials(trial)).name;
% Turn trials(trial) indicator into a numeric variable for recording into results
% file
trialIndicator = trialName((length(trialName)-17):(length(trialName)-14));
switch trialIndicator
case 'GGGG'
trialInd= 2222;
case 'SSSS'
trialInd= 1111;
case 'SSSG'
trialInd= 1112;
case 'GGGS'
trialInd= 2221;
end
side = trialName((length(trialName)-4):(length(trialName)-4));
switch side
case 'R'
switch preference
case 'g'
CorrectGreen = trialName((length(trialName)-8):(length(trialName)-8));
CorrectPurple = trialName((length(trialName)-6):(length(trialName)-6));
InCorrectGreen = trialName((length(trialName)-12):(length(trialName)-12));
InCorrectPurple = trialName((length(trialName)-10):(length(trialName)-10));
sideNum = 1;
prefNum = 0;
case 'p'
CorrectPurple = trialName((length(trialName)-8):(length(trialName)-8));
CorrectGreen = trialName((length(trialName)-6):(length(trialName)-6));
InCorrectPurple = trialName((length(trialName)-12):(length(trialName)-12));
InCorrectGreen = trialName((length(trialName)-10):(length(trialName)-10));
sideNum = 1;
prefNum = 1;
end
case 'L'
switch preference
case 'g'
CorrectGreen = trialName((length(trialName)-12):(length(trialName)-12));
CorrectPurple = trialName((length(trialName)-10):(length(trialName)-10));
InCorrectGreen = trialName((length(trialName)-8):(length(trialName)-8));
InCorrectPurple = trialName((length(trialName)-6):(length(trialName)-6));
sideNum = 0;
prefNum = 0;
case 'p'
CorrectPurple = trialName((length(trialName)-12):(length(trialName)-12));
CorrectGreen = trialName((length(trialName)-10):(length(trialName)-10));
InCorrectPurple = trialName((length(trialName)-8):(length(trialName)-8));
InCorrectGreen = trialName((length(trialName)-6):(length(trialName)-6));
sideNum = 0;
prefNum = 1;
end
end
Assessment_Results.data(trial,:)=[str2double(thissub) prefNum strategy stratScore condition order trial str2double(CorrectGreen) str2double(CorrectPurple) str2double(InCorrectGreen) str2double(InCorrectPurple) check1 check2 check3 check4 sideNum responsenumber age trialInd phase];
Assessment_Results.headers='thissub preference(0=green;1=purple) strategy strategy_score condition order trial CorrectGreen CorrectPurple InCorrectGreen InCorrectPurple CountGreenCorrect CountPurpleCorrect CountGreenInCorrect CountPurpleInCorrect side(0=left;1=right) responsenumber(29=z/16=m) ParticipantAge trialInd phase';
% Present background
NextImage = 'startScreen.jpg' ;% projects the image of two bags and Big Bird
Stim = imread(['/Users/shaunogrady/desktop/LPGP2/Images/' NextImage]);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
Screen('DrawTexture', win, Texture);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
%%% Break
if trial == 12% When the number of trials reaches half the totalmm2222
RestrictKeysForKbCheck([]);% Restrict keys to no key i.e., norestrictions zz zz
name = 'Kiwi1.mov';
moviename = ['/Users/shaunogrady/desktop/LPGP2/Images/' name];
try
% Open movie file:
movie = Screen('OpenMovie', win, moviename);
% Start playback engine:
Screen('PlayMovie', movie, 1);
% Playback loop: Runs until end of movie or keypress:
while ~KbCheck
% Wait for next movie frame, retrieve texture handle to it
tex = Screen('GetMovieImage', win, movie);
% Valid texture returned? A negative value means end of movie reached:
if tex<=0
%We're done, break out of loop:
break;
end
% Draw the new texture immediately to screen:
Screen('DrawTexture', win, tex);
% Update display:
Screen('Flip', win);
% Release texture:
Screen('Close', tex);
end
% Stop playback:
Screen('PlayMovie', movie, 0);
% Close movie:
Screen('CloseMovie', movie);
catch
psychrethrow(psychlasterror);
sca;
end
WaitSecs(.5);
RestrictKeysForKbCheck([]);% Restrict keys to no key i.e., norestrictions
NextImage = 'startScreen.jpg' ;% projects the image of two bags and Big Bird
Stim = imread(['/Users/shaunogrady/desktop/LPGP2/Images/' NextImage]);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
Screen('DrawTexture', win, Texture);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait; % Wait for a key press
end
end
% % % Thank you Screen % % %
RestrictKeysForKbCheck([]);
white=WhiteIndex(win);
Screen('FillRect', win, white);
Screen('TextSize',win, 30);
Screen('TextFont',win,'Courier New');
Screen('TextStyle', win, 1);
Screen('DrawText', win,'Thank you for playing our game!', 200, 225, [0, 0, 0]);
Screen('TextSize',win, 25);
Screen(win,'Flip');% present to the screen. This is the command toactually present whatever you have made 'win'
WaitSecs(.5);
KbWait;
% identifies the strategy used by the participant:
W_to_L_score = 0; % pick the one with a larger number of target marbles
L_to_W_score = 0; % pick the one with a smaller number of losing marbles
W_minus_L_score = 0; % pick the one with a greater difference W-L
proportion = 0; % correct proportional strategy
thisParticipant = Assessment_Results;
for trial=1:24
trialInd= num2str(thisParticipant.data(trial,19));
%## greater win strategy (greater target number)
%identifies 'gggg' trials:
if (trialInd(1)=='2' && ((thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==29) || (thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==16)))
W_to_L_score = W_to_L_score+1;
end
%identifies 'ssss' trials:
if (trialInd(1)=='1' && ((thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==16) || (thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==29)))
W_to_L_score = W_to_L_score+1;
end
% ## smaller Loss: strategy (smaller non-target number)
if (trialInd(1)=='1' && ((thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==29) || (thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==16)))
L_to_W_score = L_to_W_score+1;
%trial;
end
if (trialInd(1)=='2' && ((thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==16) || (thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==29)))
L_to_W_score = L_to_W_score+1;
%trial;
end
% ## greater difference: strategy (larger difference between win and loss)
if (trialInd(4) == '2' && ((thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==16) || (thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==29)))
W_minus_L_score = W_minus_L_score+1;
end
if (trialInd(4) == '1'&& ((thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==16) || (thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==29)))
W_minus_L_score = W_minus_L_score+1;
end
% ## proportional strategy
if ((thisParticipant.data(trial,16)==0 && thisParticipant.data(trial,17)==29) || (thisParticipant.data(trial,16)==1 && thisParticipant.data(trial,17)==16))
proportion = proportion + 1;
end
end
strategyScores = [W_to_L_score L_to_W_score W_minus_L_score proportion];
% identify the child's strategy:
[M, I] = max(strategyScores);
Assessment_Results.data(:,4)=M;
Assessment_Results.data(:,3) = I;
end
function[Conflict_Results] =conflictPhase(thissub, condition, order, Outputfile)
ListenChar(2);
%%%% Now the participant plays the Conflict game and is given trials
% %%% that conflict with their strategy mm4162m
% %%% for now the outcomes are generated deterministically meaning
% %%% that every time the child makes the incorrect choice they
% %%% recieve the non-target marble color (purple)
% %%% the game continues until the child chooses correctly on 8-10
% %%% consecutive trials or until a total of 24 trials is completed.
try
%load in child's data from Assessment phase
load(Outputfile);
age = Assessment_Results.data(1,18);
stratScore= Assessment_Results.data(1,4);
%identify strategy
strategy = Assessment_Results.data(1,3);
%identify preference
preference = Assessment_Results.data(1,2);
switch preference
case 0
preference = 'G';
case 1
preference = 'P';
end
%set stimuli folder
switch strategy
case 1 % greater win strategy
switch condition
case 1 % Low conflict
switch order % this line ensures that the 24 trials they recieve are
%from the opposite order to which they were assigned in the
%Assessment phase thus ensuring that the
%images they view in the conflict phase are
%new
case 1
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order2/';
case 2
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order1/';
end
case 2 % High conflict
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Conflict/Strat1/';
end
case 2 % lower loss strategy
switch condition
case 1 % Low conflict
switch order % this line ensures that the 24 trials they recieve are
%from the opposite order to which they were assigned in the
%Assessment phase thus ensuring that the
%images they view in the conflict phase are
%new
case 1
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order2/';
case 2
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order1/';
end
case 2 % High conflict
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Conflict/Strat2/';
end
case 3 % greater difference strategy
switch condition
case 1 % Low conflict
switch order % this line ensures that the 24 trials they recieve are
%from the opposite order to which they were assigned in the
%Assessment phase thus ensuring that the
%images they view in the conflict phase are
%new
case 1
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order2/';
case 2
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order1/';
end
case 2 % High conflict
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Conflict/Strat3/';
end
case 4 % greater proporiton strategy
switch order % this line ensures that the 24 trials they recieve are
%from the opposite order to which they were assigned in the
%Assessment phase thus ensuring that the
%images they view in the conflict phase are
%new
case 1
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order2/';
case 2
ConflictFolder ='/Users/shaunogrady/desktop/LPGP2/Images/Order1/';
end
end
switch preference
case 'G'
ConflictStimList = dir([ConflictFolder 'Green_*.jpg']);
prefWord=' green ';
case 'P'
ConflictStimList = dir([ConflictFolder 'Purple_*.jpg']);
prefWord=' purple ';
end
% % % Present Instruction Screen % % %sho
CompScreen = get(0,'ScreenSize');% Find out the size of this computerscreen
win = Screen('OpenWindow',0, [900 900 1000], CompScreen); % Full sizedscreen
white=WhiteIndex(win);
%first introduction screen:
NextImage = 'emptyMachines.jpg' ;% projects the image of the two boxes
Stim = imread(['/Users/shaunogrady/desktop/LPGP2/Images/' NextImage]);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
Screen('DrawTexture', win, Texture);
Screen(win,'Flip');% present to the screen. This is the command toactually present whatever you have made 'win'
WaitSecs(.5);
KbWait;
%
%Sec ond introduction screen:
Screen('FillRect', win, white);
Screen('DrawText', win,'Pick the side that you think', 200, 225, [0, 0, 0]);
instructionPhrase=strcat(strcat('will give you a ',prefWord),' marble.');
Screen('DrawText', win, instructionPhrase, 400, 250, [0, 0, 0]);
Screen('DrawText', win,'Ready?', 100, 375, [0, 0, 0]);
Screen('DrawText', win,'< Press any key when ready >', 400, 475, [0, 130,150]);
Screen(win,'Flip');% present to the screen. This is the command toactually present whatever you have made 'win'
WaitSecs(.5);
KbWait;
RestrictKeysForKbCheck([29 16]);% Restrict keys to 'z' (29) and'm' (16)
trials= randperm(length(ConflictStimList));
%%% present conflict trials:
for trial=1:length(ConflictStimList)
FileName = ConflictStimList(trials(trial)).name;
Stim = imread([ConflictFolder FileName]);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
% Load image file into matlab m m32145
countOrder = randperm(4);
for countQ = 1:length(countOrder)
count=countOrder(countQ);
RestrictKeysForKbCheck([30 31 32 33 34 35 36 37 38 39]);
switch count
case 1 % get kids count for green on left side
%Present Image
if (preference == 'P')
ActualCount = FileName((length(FileName)-10):(length(FileName)-10));
else
ActualCount = FileName((length(FileName)-12):(length(FileName)-12));
end
%number of green marbles on left side:
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 200, 800, [0, 0, 0]);
Screen('DrawText', win,' green ', 200, 800, [0, 128, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check1 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 200, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' green marble(s) are on this side.');
Screen('DrawText', win,phrase1, 200, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 200, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
case 2 % get kids count for purple on left side
%number of green marbles on left side:
if (preference == 'P')
ActualCount = FileName((length(FileName)-12):(length(FileName)-12));
else
ActualCount = FileName((length(FileName)-10):(length(FileName)-10));
end
%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 200, 800, [0, 0, 0]);
Screen('DrawText', win,' purple ', 200, 800, [128, 0, 128]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check2 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check2 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 200, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' purple marble(s) are on this side.');
Screen('DrawText', win,phrase1, 200, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 200, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
case 3 % get kids count for green on right side
%number of green marbles on left side:
if (preference == 'P')
ActualCount = FileName((length(FileName)-6):(length(FileName)-6));
else
ActualCount = FileName((length(FileName)-8):(length(FileName)-8));
end
%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 800, 800, [0, 0, 0]);
Screen('DrawText', win,' green ', 800, 800, [0, 128, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check3 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check3 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 800, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' green marble(s) are on this side.');
Screen('DrawText', win,phrase1, 800, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 800, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
case 4 % get kids count for purple on right side
%number of green marbles on left side:
if (preference == 'P')
ActualCount = FileName((length(FileName)-8):(length(FileName)-8));
else
ActualCount = FileName((length(FileName)-6):(length(FileName)-6));
end%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win,'How many marbles are on this side?', 800, 800, [0, 0, 0]);
Screen('DrawText', win,' purple ', 800, 800, [128, 0, 128]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check4 = str2double(response(1));
WaitSecs(.5);
% this statement ensures that the child knows the exact number
if (check4 ~=str2double(ActualCount))
keyRest= str2double(strcat('3',ActualCount))-1;
RestrictKeysForKbCheck(keyRest);
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
Screen('DrawText', win, 'Actually, there are ', 800, 725, [0, 0, 0]);
phrase1=strcat(ActualCount, ' purple marble(s) are on this side.');
Screen('DrawText', win,phrase1, 800, 775, [0, 0, 0]);
phrase2a=['Please press ', num2str(ActualCount)];
phrase2b=strcat(phrase2a, ' to continue.');
Screen('DrawText', win,phrase2b, 800, 825, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and check which key was pressed
response=KbName(keyCode);
check1 = str2double(response(1));
WaitSecs(.5);
RestrictKeysForKbCheck([]);
end
end
end
RestrictKeysForKbCheck([]);
Texture = Screen('MakeTexture', win, Stim);% read in the image
%Present Image
Screen('DrawTexture', win, Texture);% Draw the image to the screen'win'
x2 = trial*60;
r1 = [0 0 x2 50];
Screen('FillRect',win, [128, 128, 0], r1, 1);
RestrictKeysForKbCheck([29 16]);% Restrict keys to 'z' (29) and'm' (16)
Screen('DrawText', win,'Which would you pick to get a marble?', 250, 75, [0, 0, 0]);
if (strcmp(prefWord, ' green '))
Screen('DrawText', win,' green ', 250, 75, [0, 128, 0]);
else
Screen('DrawText', win,' purple ', 250, 75, [128, 0, 128]);
end
Screen('DrawText', win,'Press ''Z'' for this machine.', 450, 750, [0, 0, 0]);
Screen('DrawText', win,'Press ''M'' for this machine.', 750, 750, [0, 0, 0]);
Screen('Flip', win, 1);% present to th m3514e screen
WaitSecs(.5);
KbWait;% Wait for a key press
% Collect keyboard response
[~, ~, keyCode, ~] = KbCheck;% Wait for and checkwhich key was pressed
response=KbName(keyCode);
responsenumber=KbName(response);
% record data & Create results file:
trialName=ConflictStimList(trials(trial)).name;
% Turn trials(trial) indicator into a numeric variable for recording into results
% file
trialIndicator = trialName((length(trialName)-17):(length(trialName)-14));
switch trialIndicator
case 'GGGG'
trialInd= 2222;
case 'SSSS'
trialInd= 1111;
case 'SSSG'
trialInd= 1112;
case 'GGGS'
trialInd= 2221;
end
side = trialName((length(trialName)-4):(length(trialName)-4));
switch side
case 'R'
switch preference
case 'G'
CorrectGreen = trialName((length(trialName)-8):(length(trialName)-8));
CorrectPurple = trialName((length(trialName)-6):(length(trialName)-6));
InCorrectGreen = trialName((length(trialName)-12):(length(trialName)-12));
InCorrectPurple = trialName((length(trialName)-10):(length(trialName)-10));
sideNum = 1;
prefNum = 0;
case 'P'
CorrectPurple = trialName((length(trialName)-8):(length(trialName)-8));
CorrectGreen = trialName((length(trialName)-6):(length(trialName)-6));
InCorrectPurple = trialName((length(trialName)-12):(length(trialName)-12));
InCorrectGreen = trialName((length(trialName)-10):(length(trialName)-10));
sideNum = 1;
prefNum = 1;
end
case 'L'
switch preference
case 'G'
CorrectGreen = trialName((length(trialName)-12):(length(trialName)-12));
CorrectPurple = trialName((length(trialName)-10):(length(trialName)-10));
InCorrectGreen = trialName((length(trialName)-8):(length(trialName)-8));
InCorrectPurple = trialName((length(trialName)-6):(length(trialName)-6));
sideNum = 0;
prefNum = 0;
case 'P'
CorrectPurple = trialName((length(trialName)-12):(length(trialName)-12));
CorrectGreen = trialName((length(trialName)-10):(length(trialName)-10));
InCorrectPurple = trialName((length(trialName)-8):(length(trialName)-8));
InCorrectGreen = trialName((length(trialName)-6):(length(trialName)-6));
sideNum = 0;
prefNum = 1;
end
end
phase = 2;
Conflict_Results.data(trial,:)=[str2double(thissub) prefNum strategy stratScore condition order trial str2double(CorrectGreen) str2double(CorrectPurple) str2double(InCorrectGreen) str2double(InCorrectPurple) check1 check2 check3 check4 sideNum responsenumber age trialInd phase];
Conflict_Results.headers='thissub preference(0=green;1=purple) strategy strategy_score condition order trial CorrectGreen CorrectPurple InCorrectGreen InCorrectPurple CountGreenCorrect CountPurpleCorrect CountGreenInCorrect CountPurpleInCorrect side(0=left;1=right) responsenumber(29=z/16=m) ParticipantAge trialInd phase';
% If the participant chooses the wrong side, they are shown the non-target outcome
correctSide = FileName((length(FileName)-4):(length(FileName)-4));
if (responsenumber == 29 && correctSide=='L')
switch preference
case 'G'
NextImage = 'leftGreen.jpg';
marble='green';
case 'P'
NextImage = 'leftPurple.jpg';
marble='purple';
end
end
if (responsenumber == 29 && correctSide=='R')
switch preference
case 'P'
NextImage = 'leftGreen.jpg';
marble='green';
case 'G'
NextImage = 'leftPurple.jpg';
marble='purple';
end
end
if (responsenumber == 16 && correctSide=='L')
switch preference
case 'P'
NextImage = 'rightGreen.jpg';
marble='green';
case 'G'
NextImage = 'rightPurple.jpg';
marble='purple';
end
end
if (responsenumber == 16 && correctSide=='R')
switch preference
case 'G'
NextImage = 'rightGreen.jpg';
marble='green';
case 'P'
NextImage = 'rightPurple.jpg';
marble='purple';
end%
end
% Present feedback m m5132z
Stim = imread(['/Users/shaunogrady/desktop/LPGP2/Images/' NextImage]);% read in the image
Texture = Screen('MakeTexture', win, Stim);% read in the image
Screen('DrawTexture', win, Texture);
Screen('DrawText', win,['You got a ', marble, ' marble.'], 600, 800, [0, 0, 0]);
Screen('Flip', win, 1);% present to the screen
WaitSecs(.5);
%%% Break
if trial == 12% When the number of trials reaches half the totalmm2222
RestrictKeysForKbCheck([]);% Restrict keys to no key i.e., norestrictions zz zz
name = 'Kiwi2.mov';
moviename = ['/Users/shaunogrady/desktop/LPGP2/Images/' name];
try
% Open movie file:
movie = Screen('OpenMovie', win, moviename);
% Start playback engine:
Screen('PlayMovie', movie, 1);
% Playback loop: Runs until end of movie or keypress:
while ~KbCheck
% Wait for next movie frame, retrieve texture handle to it
tex = Screen('GetMovieImage', win, movie);
% Valid texture returned? A negative value means end of movie reached:
if tex<=0
%We're done, break out of loop:
break;
end
% Draw the new texture immediately to screen:
Screen('DrawTexture', win, tex);
% Update display:
Screen('Flip', win);
% Release texture:
Screen('Close', tex);
end
% Stop playback:
Screen('PlayMovie', movie, 0);