The major fault in the non-equivalent posttest only design is that

a. it involves random assignment to groups, therefore the groups are not equivalent at the start of the study.
b. the two groups are may not be equivalent at the beginning.
c. there is no way to tell the direction of effect that the independent variable may have.
d. the two groups do not experience the same level of the independent variable.


B

Political Science

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Which of the following is true of political endorsements by interest groups?

A. They are relatively ineffective today. B. They are not very important because candidates can publicize the fact that their campaign is endorsed by groups but they cannot identify the specific source of the endorsement. C. They are important because the group can publicize its choices in its membership publications. D. They are a violation of campaign finance reform laws. E. They are allowed in local elections but forbidden in races for federal office.

Political Science

Which of the following is a provision of the Personal Responsibility and Work Opportunity Reconciliation Act of 1996?

A. no able-bodied man could be in the home B. time limits for eligibility C. child support enforcement D. Head Start participation for children

Political Science

Which institutional resource is closest to the president?

a. Executive Office of the President b. White House staff c. the cabinet d. Joint Chiefs of Staff

Political Science

Members of Congress earn an annual salary of more than $150,000

Indicate whether the statement is true or false

Political Science