Descriptive statistics allows us to describe:

When official definitions or the method of data collections change over time, this causes a problem of ______ in secondary data analysis.

Table 12.3:Annual Family Income and Education*Statistics for Three Neighborhoods*4 yrs college = 16 yrs; masters/law degrees = 18 yrs; Ph.D/MD degrees = 20 yrs.Which neighborhood has the smallest average variation (distribution) among the incomes of families?

Identify the statement that characterizes equivalence reliability.

Table 12.2Which best expresses the bivariate relationship between the amount of education and amount of television watched per week?

Dr. Simpson conducted a content analysis of The New York Times between 1980 and 2000. She first identified relevant articles involving government regulation of business. After finding 2,000 such articles, she systematically sampled articles with a sampling interval of 5. She then coded each sampled article based on the subjective meaning it expressed, as pro- or anti-government regulation, using a 1 to 10 scale (1 = very anti-regulation, 10 = very pro-regulation). In this study, Dr. Simpson used to identify articles as pro- or anti-government regulation.

A survey format that is used to persuade an individual to do something is called a(n)?

The following survey question is flawed. What is the MAJOR weakness of this item? “How old were you the first time you went to a grocery store?”• Under 6 months old• 6 months to 12 months old• 13 months to 24 months old• 25 months to 3 years old• More than 3 years old

If the time between the pretest and the posttest is very short, then

Vince wants to draw a sample of people in Illinois who own 1960s Schwinn Sting-Ray children’s bicycles, a collector’s item. There is no list of the people, but there is an informal network (acquaintances) of Sting-Ray owners. What type of sampling should Vince use?