BCA Research Methods 3

Question 1

The Hawthorne effect refers to changes in participant behavior that occur because:

Accepted Answer

They know they are being observed

Answer

The Hawthorne effect occurs when participants alter their behavior simply because they are aware of being watched or studied.

Question 2

Which type of research design is best suited for establishing cause-and-effect relationships?

Accepted Answer

True experiment

Answer

True experiments with random assignment and controlled conditions are the gold standard for establishing causal relationships.

Question 3

In qualitative research, 'saturation' refers to the point at which:

Accepted Answer

New data no longer yields new themes

Answer

Saturation occurs when additional data collection produces no new information or themes, signaling sufficient depth.

Question 4

A researcher systematically selects every 10th person from a list of 500 names. This is an example of:

Accepted Answer

Systematic sampling

Answer

Systematic sampling involves selecting every nth element from an ordered list after a random starting point.

Question 5

Which measure of central tendency is most affected by extreme outliers?

Accepted Answer

Mean

Answer

The mean is calculated using all values, so a single extreme outlier can substantially shift it in one direction.

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