FREE CRM Study Design & Methodology Questions and Answers

Question 1

What is the purpose of a research hypothesis?

Accepted Answer

To guide the data collection process

Answer

To create a research report

Answer

To summarize research findings

Answer

To identify funding sources

Question 2

Which study design is best suited for identifying causal relationships?

Accepted Answer

Randomized controlled trial (RCT)

Answer

Case study

Answer

Cross-sectional study

Answer

Descriptive study

Question 3

What does a control group help researchers determine in experimental research?

Accepted Answer

The effectiveness of the treatment

Answer

The total sample size needed

Answer

The ethical considerations of the research

Answer

The research budget

Question 4

Why is randomization important in clinical research?

Accepted Answer

To eliminate bias and improve validity

Answer

To reduce costs in the study

Answer

To ensure ethical standards are met

Answer

To increase sample size

Question 5

What is a confounding variable in research?

Accepted Answer

A variable that influences both independent and dependent variables

Answer

The variable being measured

Answer

A factor unrelated to the study

Answer

The expected outcome of the study

Question 6

What is blinding in clinical research?

Accepted Answer

Concealing treatment assignment from participants or researchers

Answer

Providing participants with full information about the study

Answer

Assigning participants to non-random groups

Answer

Using only one research method

Question 7

What is the purpose of a sample size calculation in research design?

Accepted Answer

To ensure the study has adequate statistical power

Answer

To control the research budget

Answer

To make the study more diverse

Answer

To eliminate confounding variables

Question 8

What is the difference between internal and external validity in research?

Accepted Answer

Internal validity is about the study’s accuracy, while external validity is about generalization

Answer

Internal validity applies to large populations, while external validity applies to smaller samples

Answer

Internal validity is concerned with the research environment, while external validity is about bias reduction

Answer

Internal validity refers to control variables, while external validity focuses on data collection methods

Question 9

Why is ethical approval required in clinical research?

Accepted Answer

To protect participants' safety and rights

Answer

To ensure the research meets funding requirements

Answer

To ensure compliance with government regulations

Answer

To improve study outcomes