Based on developmental studies of children who later developed schizophrenia, __________.
A. it is usually impossible to detect early signs of the disorder
B. the first signs are usually delusions or hallucinations
C. the first signs are usually seen in a child's motor movements
D. the first signs are usually seen in speech problems
Answer: C
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How is busyness related to academic performance in adolescence?
A. Adolescents who are involved in just a few activities tend to be more academically successful. B. Involvement in three activities seems to be the optimal level for predicting greater academic success. C. Busier adolescents, committed to many tasks, tend to be more academically successful. D. How busy an adolescent is tends to be unrelated to how academically successful that person is.
Which type of allele is ignored when found in a heterozygous gene pair?
a. masked b. dominant c. typical d. recessive
IQ scores obtained during adolescence are best at predicting
a. whether a person will graduate from college. b. a person's high school grades. c. a person's choice of occupation. d. how well a person performs in his or her chosen occupation.
Most adolescents have knowledge of HIV/AIDS and only one-third of them changes sexual practices as a result.
Answer the following statement true (T) or false (F)