A heritability index of 0 for a behavioural trait indicates that:
A) the brain has no role in the occurrence of that behavioural trait.
B) genetic variation is not responsible for the individual variation in the occurrence of the trait.
C) changing the environment will not change the likelihood that the trait will occur.
D) the trait is extremely common in a given population.
B) genetic variation is not responsible for the individual variation in the occurrence of the trait.
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Just as with Wundt's experimental psychology, within ____ years of its founding, Freud's system was splintering
a. ?2 b. ?10 c. ?20 d. ?30 e. ?50
Answer the following statement(s) true (T) or false (F)
Direct replication improves the external validity of single-subject designs.
Along with schizophrenia, all of the psychological disorders below have been shown to be related, at least in part, to genetic factors. Which of the following disorders is least likely to have a genetic factor, according to the text?
a) depression b) autism c) attention deficit/hyperactivity disorder d) anxiety
During adolescence, girls gain almost twice as much____ as boys, whereas boys gain twice as much _______ as girls do.
What will be an ideal response?