Research Design | MCQs

Explanation

Sampling is the process of selecting a subset of individuals from a population to represent the entire group in a study.

It helps researchers collect data efficiently without surveying the whole population.

Explanation

Reliability refers to the consistency of test results — if repeated trials yield the same effect or outcome, the test is considered reliable.

It ensures that the measurement tool produces stable and consistent results over time.

Explanation

Explanation

• Snowball sampling is a method in research where existing participants are asked to nominate further people known to them who fit the criteria for the study.
• This approach is often used when the target population is hard to reach or identify initially.
  

Explanation

Content validity is the degree to which a test evaluates all aspects of the topic, construct, or behavior that it is designed to measure

Explanation

Hypothesis is a statement or prediction tested during research, not a research design.

Research designs include experimental, descriptive, and exploratory methods.

Explanation

Nominal, ordinal, interval, ratio is the correct answer

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Explanation

A control group is a group in the experiment which a variable is not being tested, such as a test subject that does not receive any treatment

Explanation

Deductive reasoning, also deductive logic, is the process of reasoning from one or more statements to reach a logical conclusion.

Explanation

• Post facto research is another name for "Causal comparative research."
• This type of research compares groups that differ on a particular variable after the fact, without any manipulation by the researcher, to determine if there is a causal relationship between the variable and the outcome.