The Americans With Disabilities Act (ADA) defines a disability as a physical or mental impairment that substantially interferes with a person's ability to engage in major life activities
Among the various disabilities in the United States, which of the following is the most prevalent?
a. Vision
b. Hearing
c. Ambulation
d. Learning
ANS: C
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Measures of variability are also known as measures of
a. dispersion. b. range. c. percentile. d. deviation.
Regarding the decision to use either a directional or nondirectional alternative hypothesis, most researchers
a. have no convention at all in practice because there are pros and cons to each choice. b. typically use nondirectional alternative hypotheses if the significance level is .05 and directional if it is .01. c. prefer to use directional because of the increase in statistical power. d. use nondirectional alternative hypotheses because this allows you to reject the null if your finding occurs in the opposite direction from your prediction. That is, it allows you to discover something new.
The nurse explains that the minimum number of hours of daily activity necessary to prevent the negative consequences of immobility is:
a. 2 hours. b. 4 hours. c. 6 hours. d. 8 hours.
The U.S. Preventive Services Task Force has formulated preventive services guidelines related to which aspect of cancer? Select all that apply
a. Prevention d. Counseling b. Screening e. Treatment c. Chemoprevention f. Genetic risk assessment