Researchers estimate that about what percent of homeless individuals are identifiable as MICAs (mentally ill chemical abusers)?
A) less than 5 percent
B) 10 to 20 percent
C) about one-third (33 percent)
D) almost half (50 percent)
Answer: B) 10 to 20 percent
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Dr. Jones, a psychologist working for the government, is evaluating the effectiveness of Head Start. Which of these is the best approach to evaluating its effectiveness?
A. use IQ scores of participants compared to a control group B. assess social competence of participants C. use IQ scores, but also measures of social, emotional, and psychological benefits D. measure the change of IQ scores from pre- to post-program participation
Which perspective would most likely describe anxiety as being related to chemicals in the body?
a. ?psychodynamic b. ?behavioral c. ?evolutionary d. ?biological
What two dimensions of affect does the PANAS-X assess?
A. attraction and aversion B. stability and pervasiveness C. valence and content D. flexibility and strength
Observational studies involve the manipulation of variables by the investigator
Indicate whether the statement is true or false