Examlex
A researcher studies the relationship between the amount of time spent studying for an exam and the number of errors made.A sample of twenty students who have the same GPA are randomly assigned to one of four groups: 1,2,3,or 4 hours of study time.After studying the specified time,all students took an identical exam and the number of errors each student made was counted.
Which of the following variables was held constant in the study?
Emotional Responses
The psychological and physical reactions that occur in response to perceived emotional stimuli or events.
James Olds
A neuroscientist known for his discovery of the brain's reward system and its effects on behavior.
Applied Psychology
The use of psychological principles and theories to overcome problems in real-life situations, such as in business, education, or mental health.
World War II
A global conflict lasting from 1939 to 1945, involving most of the world's nations and marked by significant events including the Holocaust and the use of atomic bombs.
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