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Psychology
Biological Area
Casey et Al (2011) study
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Created by
Jiya Mathew
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Cards (24)
What was the aim of Casey et al (2011) study?
To assess
delay of gratification's
impact on
adults
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What does the study examine regarding adults who were high or low delayers as children?
It examines their
impulse
and self-control
abilities
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What research method was used in the study?
Quasi-experiment
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What was the independent variable in the study?
Whether the participant was a
high or low delayer
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What was the dependent variable in Experiment 1?
Participants' performance on a
go/no-go task
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What additional data was collected in Experiment 2?
Brain scan results from
fMRI
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How many children participated in the original delay of gratification task?
562
children
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How many participants were left by the end of the study?
117
participants
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How many participants took part in Experiment 1?
59
participants
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How many males and females participated in Experiment 1?
23
males and
36
females
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How many participants from Experiment 1 consented to the fMRI scan in Experiment 2?
27
participants
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What was the procedure for the go/no-go task in Experiment 1?
Participants responded to
facial expressions
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What was the duration of each face stimulus in the task?
500
ms
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How many trials were presented in the go/no-go task?
150
trials
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What were the accuracy rates for high and low delayers in the 'hot' task?
Low delayers had
variable accuracy
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What does the conclusion about hot and cool cues suggest?
Hot cues affect
temptation resistance
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What was the hypothesis regarding brain activity in low delayers?
Less activity in the right
prefrontal cortex
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What imaging technique was used in Experiment 2?
fMRI
(functional magnetic resonance imaging)
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What was the mean duration of the inter-trial interval in Experiment 2?
Mean
5.2
seconds
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What were the overall accuracy rates for the 'hot' go/no-go tasks?
Mean 98.2%
correct hits
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How did the right inferior frontal gyrus activity differ between high and low delayers?
Low
delayers had
less
activity during 'no-go'
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What does the ventral striatum's activity indicate about low delayers?
Higher
activity in response to
rewards
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What does the study suggest about individuals who struggled with delay of gratification as children?
They have
ongoing
difficulties resisting
temptation
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How does temptation resistance vary according to context?
More tempting choices predict
behavior regulation
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