1) What is the best method for minimizing the risk to the validity of a research study?          a

1) What is the best method for minimizing the risk to the validity of a research study?

         a. Randomization of treatment conditions

         b. Using a homogeneous research sample

         c. Implementing statistical control

         d. Pair matching participants

2. What is the key function of a quantitative research design?

         a. Ruling out possible threats to the validity of the results

         b. Allowing for the presence of confounding participant characteristic

         c. Preventing the unintended existence of a randomizing block design

         d. Implementing a variety of instrumentation models to assure effect data collection

3. What type of validity is best enhanced by the implementation of an intention-to-treat analysis?

         a. External

         b. Internal

         c. Construct

         d. Statistical conclusion

4. What term is used to identify the ability to detect true relationships among a collection of variables?

         a. Compensatory effect

         b. Manipulation check

         c. Statistical control

         d. Statistical power

5. What term is used to denote the inability to show the exactness of the relationships after the confounding variables have been controlled?

         a. Mortality

         b. Maturation

         c. Low precision

         d. High statistical control