Choose the letter of the most appropriate answer. Which of the following is TRUE about features of quasi-experimental research design? A.manipulation, control group, randomization B.manipulation, but no control group or randomization C.no manipulation of independent variable D.use of correlational approach 2. The sum of the values of a variable for a set of observations, divided by the number of observations in the set refers to: A.mean B.standard deviation C.median D.mode 3. Which of the following is NOT a multivariate statistical approach? A.analysis of covariance B.analysis of variance C.multiple regression D.factor analysis 4. The term used to indicate the placebo effect in which the knowledge of being included in a study causes people to change their behaviors, thereby obscuring the variable of interest: A.validity B.Hawthorne effect C.manipulation D.randomization 5. The probability that a given effect will be detected using a sample of specified size, with the probability level of statistical test being set at predetermined level is: A.internal validity B.power of statistical test C.reliability of a study D.external validity
Choose the letter of the most appropriate answer.
- Which of the following is TRUE about features of quasi-experimental research design?
|
A.manipulation, control group, randomization |
|
B.manipulation, but no control group or randomization |
|
C.no manipulation of independent variable |
|
D.use of correlational approach |
2. The sum of the values of a variable for a set of observations, divided by the number of observations in the set refers to:
|
A.mean |
|
B.standard deviation |
|
C.median |
|
D.mode |
3. Which of the following is NOT a multivariate statistical approach?
|
A.analysis of covariance |
|
B.analysis of variance |
|
C.multiple regression |
|
D.factor analysis |
4. The term used to indicate the placebo effect in which the knowledge of being included in a study causes people to change their behaviors, thereby obscuring the variable of interest:
|
A.validity |
|
B.Hawthorne effect |
|
C.manipulation |
|
D.randomization |
5. The probability that a given effect will be detected using a sample of specified size, with the probability level of statistical test being set at predetermined level is:
|
A.internal validity |
|
B.power of statistical test |
|
C.reliability of a study |
|
D.external validity |
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