CRS Data Collection & Analysis 4

Question 1

When a study measures participants at multiple time points to track change over time, it is called a:

Accepted Answer

Longitudinal study

Answer

Longitudinal studies follow the same participants over an extended period to examine how variables change over time.

Question 2

Which data visualization is most appropriate for showing the frequency distribution of a continuous variable?

Accepted Answer

Histogram

Answer

Histograms display the distribution of a continuous variable by grouping values into bins and showing their frequencies.

Question 3

Triangulation in research means:

Accepted Answer

Using multiple methods or data sources to validate findings

Answer

Triangulation enhances credibility by cross-checking results using different data sources, methods, investigators, or theories.

Question 4

In regression analysis, what does the R-squared value represent?

Accepted Answer

The proportion of variance in the outcome explained by the predictors

Answer

R-squared (coefficient of determination) indicates how much of the dependent variable's variability is accounted for by the independent variables.

Question 5

Which phenomenon describes survey respondents providing answers they believe are socially acceptable rather than truthful?

Accepted Answer

Social desirability bias

Answer

Social desirability bias occurs when respondents answer in ways they think will be viewed favorably rather than reporting their actual behavior or attitudes.

(CRS) Certified Research Specialist Practice Test

(CRS) Certified Research Specialist Practice Test

CRS Data Collection & Analysis 4