Immature behavior during adolescence might be physiologically predictable because ______.
A. myelination is not complete until that time, especially in the prefrontal cortex
B. circuit pruning is not complete until that time; thus there are competing impulses
C. many neurotransmitters are not produced until after hormonal changes that occur during adolescence
D. the Robo3 gene remains inactive until early adolescence
Answer: A
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Recent comparisons between girls and boys in middle childhood indicate that there are extreme differences between the gross motor skills of the two groups.
Answer the following statement true (T) or false (F)
Probably the most important control over observer bias is
A. the use of a detailed checklist. B. informing observers about the purpose of the study. C. restricting observations to the public domain. D. the awareness that observer bias might be present.
When you are about to get a shot with a hypodermic needle, your muscles tighten and there is a catch in your breathing because you have learned to expect that getting poked with a needle will be painful. This explanation of your behavior is consistent with
a. the informational view. b. the interactionism theory. c. the law of effect. d. shaping.
Without being in any objective danger, you are suddenly overcome with fear and feel like you are having a heart attack because of the chest pains, dizziness, and weakness. After several minutes the episode passes, but you experience several similar unexpected reoccurrences over the next few months. This indicates
a. normal behavior. c. abnormal behavior. b. ideas of persecution. d. hallucinations.