Solutions to WPA3 (Inquistit Basics)

Inquisit code:

<defaults> 
/quitcommand=(Ctrl+'e')
/fontstyle=("Arial", 3%)
</defaults>

<parameters>
/picture_size = 30%
</parameters>

# Creating our stimuli

<item stimlist>
/1="(a) 50% chance of winning CHF 600 or (b) a sure gain of  CHF 1"
/2="(a) 50% chance of winning  CHF 600 or (b) a sure gain of CHF 30"
/3="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 60"
/4="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 90"
/5="(a) 50% chance of winning CHF 600 or (b) a sure gain of CHF 120"
/6="(a) 50% chance of winning CHF 600 or (b) a sure gain of  CHF 150"
/7="(a) 50% chance of winning  CHF 600 or (b) a sure gain of CHF 180"
/8="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 210"
/9="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 240"
/10="(a) 50% chance of winning CHF 600 or (b) a sure gain of CHF 270"
/11="(a) 50% chance of winning CHF 600 or (b) a sure gain of  CHF 300"
/12="(a) 50% chance of winning  CHF 600 or (b) a sure gain of CHF 330"
/13="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 360"
/14="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 390"
/15="(a) 50% chance of winning CHF 600 or (b) a sure gain of CHF 420"
/16="(a) 50% chance of winning CHF 600 or (b) a sure gain of  CHF 450"
/17="(a) 50% chance of winning  CHF 600 or (b) a sure gain of CHF 480"
/18="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 510"
/19="(a) 50% chance of winning  CHF 600 or (b) a sure gain of  CHF 540"
/20="(a) 50% chance of winning CHF 600 or (b) a sure gain of CHF 570"
/21="(a) 50% chance of winning CHF 600 or (b) a sure gain of  CHF 600"
</item>

# Defining how items are displayed

<text stimlist_text>
/items=stimlist
/position = (50%, 50%)
/hjustify = center
/fontstyle = ("Arial", 4%)
/select = noreplace
/monitor = 2
</text>

<text ready_text>
/items = ("Get Ready")
/position = (50%, 50%)


/hjustify = center
/fontstyle = ("Arial", 3%)
/monitor = 2
</text>

<text reminder_text>
/items=("Press the A key if you prefer the risky option on the left, press the B key if you prefer the sure option on the right")
/position = (50%, 10%)
/hjustify = center
/fontstyle=("Arial", 3%)
/ monitor = 2
</text>

# Creating our trial

<trial choice>
/stimulustimes = [0=ready_text; 500=stimlist_text]
/validresponse = ("a", "b")
</trial>

# Blocks and experiments

<block choiceblock>
/trials = [1-21=choice]
/bgstim = (reminder_text)
</block>

<expt>
/blocks = [1=choiceblock]
</expt>