An epidemiologist is about to testify to Congress on the findings of comorbidity. Which of the following points will she want to make after reviewing research on comorbidity?
a. Most mental disorders have a biological basis.
b. Those with severe impairment often have more than one disorder.
c. We have underestimated the role of toxins as the cause of disorders.
d. The majority of mental disorders tend to "run in families" as a result of genetic anomalies.
Answer: b.
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The normal distribution is
a. most frequently observed for the distribution of small sample sizes. b. characterized by a high degree of skewness. c. a distribution with a known shape and other properties. d. the distribution that we would expect for the salaries of basketball players.
Briana is 9 years old and has been competing in beauty pageants for young girls since she was 2. She has posters on her wall of beautiful models that she hopes to be like one day. According to recent studies, Briana is LEAST likely to exhibit which of the following?
A) low self-esteem and problems, such as depression and eating disorders B) higher performance on intellectual activities at school C) a tendency to engage in risky sexual behaviors at a younger age D) unhealthy sexualization
From infancy through adulthood, the need for sleep ____
a. ?decreases b. ?increases c. ?stays the same d. ?stays the same until adulthood, at which time it decreases
Reaction time tends to increase through middle childhood and adolescence
Indicate whether the statement is true or false