Answer the following statement(s) true (T) or false (F)
The prevalence of asthma varies by race and ethnicity.
Ans: True
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In social work studies testing hypotheses involving the variable “level of social functioning” that variable is:
a. always the dependent variable. b. always either the dependent or control variable. c. always the independent variable. d. an independent, dependent, or control variable, depending on what is being conceptualized and postulated in any given study.
A messy office may suggest to a client that the worker is overwhelmed, perhaps burning out, and therefore is unlikely to be of much help
a. True b. False
Rates of teenage pregnancy have been declining in the U.S. since 1991
Indicate whether the statement is true or false
Quasi-experimental groups designs are distinguished from true
experiments primarily because they: A. always use only one measurement of the dependent variable. B. do not involve exposure to an independent variable. C. never use a comparison group. D. fail to randomly assign participants to either the experimental or the control groups.