Exploratory studies are particularly useful when researchers _____.
A. seek to describe a population’s parameters based on the characteristics of a sample
B. seek to evaluate changes in attitudes over time
C. lack a clear idea of the study’s problems
D. seek to test specific hypotheses
E. all of the above
Which of the following involves a test of two-related samples?
A. test of differences in the percent of men and women who are or are not members of
Greek organizations on campus
B. Test of the average incomes of magazine subscribers of Southern Living verses
Better Homes and Gardens
C. Test of whether the mean salary of professors at Metro University is higher than the
national average for university professors
D. Test of whether a change occurred in the likelihood of heart disease among people
who switched to a diet high in fish
E. Test of differences in ad recall among three experimental groups (each of which saw
a different advertisement) and a control group
In a _____ category codes are ordered from lowest value to highest value with columns