SAEE SAEE - Data Collection and Analysis Questions and Answers 2

Question 1

Which sampling method involves dividing a population into subgroups and then randomly selecting participants from each subgroup?

Accepted Answer

Stratified sampling

Answer

Convenience sampling

Answer

Snowball sampling

Answer

Systematic sampling

Question 2

A researcher notices that as study hours increase, test scores also increase. What type of correlation does this represent?

Accepted Answer

Positive correlation

Answer

Negative correlation

Answer

No correlation

Answer

Inverse correlation

Question 3

What is the primary purpose of using a control group in an experimental study?

Accepted Answer

To provide a baseline for comparison against the treatment group

Answer

To increase the sample size of the study

Answer

To eliminate the need for random assignment

Answer

To ensure all participants receive the intervention

Question 4

Which measure of central tendency is most affected by extreme outliers in a data set?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 5

In a double-blind study, who is unaware of which participants are in the control or experimental group?

Accepted Answer

Both the researchers and the participants

Answer

Only the participants

Answer

Only the researchers

Answer

Neither the researchers nor the participants

Question 6

A survey question that leads respondents toward a particular answer is an example of what type of bias?

Accepted Answer

Response bias

Answer

Selection bias

Answer

Confirmation bias

Answer

Publication bias