Which of the following has the highest cause of death for adolescents in the United States?
a. poisoning (including drug overdose)
b. fire/burn
c. suffocation
d. motor vehicle traffic
Ans: D
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Which of the following is not a behavioral indicator of child sexual abuse?
a. fear, inability to trust, anger and hostility, and inappropriate sexual behavior b. depression, guilt or shame, and problems in school c. frequent urinary tract or yeast infection and stained or bloody underwear d. somatic complaints, sleep disturbances, and regressive behavior
Calculate the median.
A marketing researcher for a toothpaste company wants to know how often on average people brush their teeth per day. He obtains a sample of 25 adults. Their responses to his question are summarized in the following simple frequency distribution: X f 10 1 9 0 8 0 7 3 6 3 5 0 4 4 3 3 2 8 1 2 0 1
Replication refers to the ability to:
A. generalize results and demonstrate the robustness of any behavior change procedures. B. get the same results in trials with different individuals. C. have participants understand the purpose of a study. D. to show the emergence of unrelated behaviors.
In the context of students' perceived level of skill, when students' skills are high but the activity provides little challenge, the result is anxiety.
Answer the following statement true (T) or false (F)