CRA Research Design & Methodology

Question 1

What is the first step in research design?

Accepted Answer

To define the research question and objectives.

Answer

To collect data.

Answer

To analyze data.

Answer

To report findings.

Question 2

What is a hypothesis in research?

Accepted Answer

A testable prediction or educated guess.

Answer

A random observation.

Answer

A collection of data.

Answer

A conclusion based on existing theories.

Question 3

Which research method is used to explore cause-and-effect relationships?

Accepted Answer

Experimental research.

Answer

Descriptive research.

Answer

Correlational research.

Answer

Exploratory research.

Question 4

What is the difference between qualitative and quantitative research?

Accepted Answer

Qualitative research explores experiences; quantitative research measures variables.

Answer

Qualitative research uses numbers; quantitative uses words.

Answer

Qualitative research is only used in social sciences.

Answer

There is no difference between the two.

Question 5

What is sampling in research?

Accepted Answer

Selecting a random group to represent the population.

Answer

Collecting data from every member of the population.

Answer

Analyzing existing data.

Answer

Reporting findings.

Question 6

What is the role of control groups in experimental research?

Accepted Answer

To compare the effects of the experimental treatment.

Answer

To receive the experimental treatment.

Answer

To eliminate bias.

Answer

To collect data.

Question 7

What is data triangulation in research?

Accepted Answer

Using different data sources, methods, or investigators.

Answer

Using only one data source.

Answer

Only using qualitative data.

Answer

Only using quantitative data.

Question 8

What is reliability in research?

Accepted Answer

The consistency and stability of results.

Answer

The accuracy of research results.

Answer

The generalizability of research results.

Answer

The depth of research analysis.

Question 9

What is the purpose of conducting a literature review in research?

Accepted Answer

To identify gaps in research and provide context.

Answer

To summarize personal opinions on the topic.

Answer

To provide conclusions and recommendations.

Answer

To collect data.