1.In which of the below techniques we have a single group of participants which is similar to single case experimental design. For this reason, we must take multiple input of data to establish a baseline.

a.Before and after with control group design

b.Interrupted time series.

c.After only with control group design

d.Quasi-experiment

2.The correlation and the p-value for speed and performance have been calculated and the result is 0.655 and 0.092, respectively. How do you interpret the result?

a.Perfect relationship and significant

b.Not a strong relationship and significant

c.Very strong relationship but not significant

d.Not a strong relationship and not significant

3.

Z-score of -1.95 has an area of ....................... to the left part of it.

P (Z < -1.95) = ?

a.1.95

b.0.057

c.0.05

d.0.0256

4.

In descriptive statistics, how can you get a feel for the data?

a.Look at the "Frequencies".

b.Check the "measures of central tendency" (i.e. mean, median, mode) and "dispersion".

c.All of the above.

d.Plot some "Bar charts" and "pie charts".

5.

In _______________, the researcher lacks complete control over the scheduling of treatments or must assign respondents to treatments in a non-random fashion.

a.quasi experiments

b.multiple time-series design

c.after only with control group

d.interrupted time-series design

6.

In which of the below techniques we have a single group of participants which is similar to single case experimental design. For this reason, we must take multiple input of data to establish a baseline.

a.After only with control group design

b.Quasi-experiment

c.Interrupted time series.

d.Before and after with control group design

7.

Which of the following has the highest degree of external validity?

a.Focus group

b.Laboratory experiment

c.Concomitant experiment

d.Field experiment

8.

Which of the below concepts is the independent variable that is manipulated to test the relationship between price and sales of a product.

a.One group pre-test

b.Treatment

c.Field experiment

d.External validity

9.

What is the condition and rule to test for clarify the difference between Means?

a.Pearson

b.Tukey

c.Spearman

d.Homogeneity of variances