When you have two measurements—one before the treatment and one after the treatment and have a comparison group, it helps in:
a. controlling the effect size
b. reducing the cost of the study
c. eliminating the role of chance
d. using a limited number of variables
Ans: C
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A major drawback to using simple random sampling is that:
a. it is often impractical and costly with a large sampling frame. b. sometimes we cannot determine the probability of each unit in the sampling frame being included in the sample. c. it is possible for a nonprobability sample to result when using this procedure. d. people at the beginning and the end of the sampling frame have a lower probability of being included in the sample.
During the initial assessment of a family the child welfare social worker may contact other professionals who have had contact with the family. According to your text, these professionals are referred to as:
a. Extraneous Sources b. Ancillary Contacts c. Collateral Sources d. Associated Professionals
If you were a social worker working in the 1920s, you would be influenced most by
a) environmental and cognitive theories b) behavioristic psychology and psychiatric interpretation c) psychoanalysis d) ego psychology
The standardization of the data collected represents a special strength of survey research
Indicate whether the statement is true or false