Which of the following is the most commonly identified form of mental retardation?
a. albinism
b. sickle-cell disease
c. hemophilia
d. Down syndrome
e. achondroplasia
Answer: d. Down syndrome
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The best time for job seekers to reach employers and avoid "gatekeepers" (secretaries and receptionists who protect their bosses from "unnecessary" calls) is often:
a) Mondays at 9:30 a.m. c) 2 to 3 p.m. b) just after 5:00 p.m. or before 8:00 a.m. d) 10 to 11 a.m.
Fetal infection with syphilis is devastating. Which of the following is NOT true?
a. 40% of pregnancies affected with maternal syphilis result in fetal death. b. Only 50% of surviving infants will be symptomatic at birth. c. Infection results from poor personal hygiene, poor sanitation, and overcrowding. d. Fetal effects include visual and hearing impairments, jaundice, and nonimmune hydrops.
Marcy developed a survey to administer to parents of college students living on campus. One of the questions on her survey was, "Describe your level of satisfaction with your child's residence life experiences." Marcy found that few people answered this question. This is likely because
a. the item is sensitive. b. the respondent is not in a position to answer the item. c. the item is open-ended. d. the item is unclear.
Alice's study examined the benefits of early morning exercise on young children's attention during circle time. She had two groups of students, one who came to circle time first and then had recess and a second group that had recess before circle time. She is comparing the groups' attention based upon a frequency of off-task behaviors by group at circle. The likely descriptive statistic for
Alice's dependent variable is a. the range of off-task behavior by group. b. the mode off-task behavior by group. c. the mean off-task behavior by group. d. the median off-task behavior by group.