A sample of 450 adult Americans found the average hours of TV watched per day was 2.8 with a standard deviation of .3
1. Estimate the standard error of the mean.
2. Calculate the 95% confidence interval.
3. Calculate the 99% confidence interval.
1. .014
2. 2.77 to 2.83
3. 2.76 to 2.84
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The writing of Mary Richmond led to the development of the following method in social work _________________.
Fill in the blank(s) with the appropriate word(s).
A research project needs to measure the social power of each character in a television
situation comedy. Each coder must rank each character on a seven?point scale from “low social power” to “high social power.” This is an illustration of which type of coding?
a. axial coding b. manifest coding c. descriptive coding d. latent coding
Why do social workers want to understand a person's views about a change?
a. Because the person's inner thoughts and feelings affect psychosocial functioning just as his or her actions, abilities, relationships, and material resources do b. Because through understanding the person's views about change, the social worker can gauge how effective working with the social worker will be for them c. Because the client may have a wrong view about change and how to enact it and the social worker should correct them d. Because the social worker wants to make sure that the person thinks positively about the change, the work and them
Explanatory research is
A) evaluation research throughout the program or policy being evaluated. B) evaluation research after the program or policy being evaluated ends. C) research in which a researcher seeks to test theories and addresses the question of why events or patterns occur in social reality. D) a technique developed by economists in which the positive and negative consequences of something are estimated, given a dollar value, then balanced against one another.