Individuals participating in a research study make up a
A) sample.
B) group.
C) population.
D) faction.
A
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For most of her childhood, Arielle was subjected to physical and emotional abuse at the hands of her father. As an adult, Arielle suffers from severe depression. Which of the following statements accurately describes the relationship between Arielle's abuse and her depression?
A. Arielle's childhood abuse caused her adult depression. B. Arielle's childhood abuse is correlated with her adult depression. C. Arielle's depression is coincidental and is unrelated to her childhood abuse. D. Depression is a result of genetics and was passed down to Arielle by her father.
The presence of others increases productivity when the task requires dominant responses, but decreases performance when the task calls for nondominant responses.
a. True b. False
As sample size increases, the standard error decreases.
Answer the following statement true (T) or false (F)
If intelligence is determined primarily by heredity, which pair should show the highest correlation between IQ scores?
a) fraternal twins b) identical twins c) brothers and sisters d) parents and children