9- Ahmed is trying to perform a synthesis of multiple research studies. He needs to link the existing ideas to understand the cause and effect relation between how much people work and how satisfied they are with their lives. What is the example of this type of research?

a. Causal study.

b. Correlation study.

c. Hypothesis testing.

d. Case study analysis.

10- ____ effect might occur due to a change in the measuring instrument between pre-test and post-test, while ____ effect occurs due to the influence of the pre-test on the post test.

a. Instrumentation effect, Testing effect.

b. Instrumentation effect, Selection bias effect.

c. Selection bias effect, Testing effect.

d. Testing effect, Instrumentation effect.

11- You are studying the effect a new drug has on hair loss in patients with cancer. What type of variable is hair loss?

a. Dependent variable.

b. Moderating variable.

c. Mediating variable.

d. Independent variable.

12- Dimensions are:

a. Observable and measurable behaviors.

b. A & B are correct.

c. None of the above.

d. Operational concepts.

13- Which of the following is the 3 step of the Hypothetico-deductive method:

a. Identify a broad problem area.

b. Define the problem statement.

c. Determine measures.

d. Develop hypotheses.

14-The best definition of a Nominal scale is:

a. A quantitative scale that allows the researcher to measure the distance between two points.

b. A quantitative scale that includes a definitive zero allowing for a starting point and extension.

c. A scale that categorizes variables based on differences and rank-orders.

d. A qualitative scale that allows the researcher to assign subjects to certain categories or groups.

15 -Structured observational studies do not have a determined set of categories planned to be studied.

Select one: True False