Reference no: EM133350103

Question 1.

In which of the following situations should you be primarily concerned with selecting a research design that addresses maturation as a threat to internal validity? Group of answer choices

A. You are providing a one-year program of prekindergarten education, and your target behavior is reading readiness.

B. You are providing a one-month intensive outpatient program for the treatment of depression for those who have been chronically depressed.

C. You are providing a weekend retreat to couples to develop communication skills.

D. None of the above are concerns for maturation as a threat to internal validity.

Question 2.

One of the advantages of the use of experimental designs in evaluation over other designs is that experimental designs:

A. Gives researchers access to people, such as the deceased, who are inaccessible to other forms of evaluation.

B. Reduces the likelihood of experimenter effects occurring.

C. Offers evaluators access to large samples of people.

D. Offer researchers the most advantageous position from which to infer causal relationships about the effect of the intervention.

Question 3.

Statistical significance tests test the _________ hypothesis. Group of answer choices

A. directional

B. nondirectional

C. alternative

D. null

Question 4.

The major characteristic of the data that affects the selection of appropriate statistics is:

A. Representativeness of the sample

B. Level of measurement

C. The size of the population

D. The number of cases

Question 5.

Sampling design in which whatever units that "show-up" and qualify for the evaluation/study or are included in the sample?

A. Availability design

B. Internal design

C. Proportionate stratified sampling

D. Block design

Question 6.

The mean, median, and mode are the same value for what type of distribution for a set of data.

A. skewed

B. normal

C. triangular

D. uniform

Question 7.

Underlying the "informed consent" principle, which guides human subjects research, is the notion that:

A. withholding treatment from subjects in a research project is always unethical.

B. people have the right to control when and under what conditions others will have access to their beliefs, values, and/or behaviors.

C. no one, including the researcher, should be able to link any particular information to any individual who has participated in a study.

D. people have a right to self-determine whether they want to participate in a research project after the research procedures and their risks have been fully explained.