How does the neurodevelopmental hypothesis explain the difficulty of locating a gene for schizophrenia?
a. The gene or genes for schizophrenia do not affect behavior until early adulthood.
b. The gene sometimes appears on one chromosome, and sometimes another
c. The gene exerts its effects in different ways for different people.
d. Schizophrenia can result from prenatal environment instead of genetics.
d
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Marcia is unsure about whether Jan is her best friend. She thinks about how many times she has listened to Jan complain about her boyfriend, helped Jan study for difficult exams, and brought soup to Jan when she was sick. Marcia realizes that she, herself, calls or visits Jan almost every night. After thinking about all this, Marcia concludes that Jan must be her best friend. This conclusion is
based on a process described by ____ theory. a. self-awareness b. social comparison c. self-discrepancy d. self-perception
One of the most widely cited examples of tool use in chimpanzees is
a. cracking open mollusks by smashing them on stones. b. dropping snails onto rocks to crack them open. c. fishing for termites by poking a stick into a termite mound. d. fishing for fish by scooping them up with pieces of coconut shells.
Inferential statistics allow researchers to draw inferences about how statistically meaningful a study's results are
Indicate whether this statement is true or false.
In instances of sudden, unexpected deaths, __________ may be especially pronounced
A) avoidance B) confrontation C) mourning D) restoration