CDR Research Methods

Question 1

In Commission on Dietetic Registration Exam, what is the purpose of a literature review in research methods?

Accepted Answer

To survey existing research and identify gaps that the current study addresses

Answer

A literature review surveys and synthesizes existing research on a topic, establishing what is already known, identifying gaps or inconsistencies, and providing context and justification for the current study.

Question 2

What is the difference between qualitative and quantitative research in Commission on Dietetic Registration Exam?

Accepted Answer

Qualitative explores experiences and meanings; quantitative measures and counts numerical data

Answer

Qualitative research explores experiences, perceptions, and meanings through methods like interviews and observation. Quantitative research measures variables numerically through surveys, experiments, and statistical analysis.

Question 3

In Commission on Dietetic Registration Exam, what does "statistical significance" mean?

Accepted Answer

The result is unlikely to have occurred by chance alone (typically p < 0.05)

Answer

Statistical significance indicates that an observed result is unlikely to have occurred by random chance, typically when the p-value is less than 0.05 (5% probability of occurring by chance).

Question 4

What is a "control group" in Commission on Dietetic Registration Exam research?

Accepted Answer

A group that does not receive the experimental treatment, serving as a baseline comparison

Answer

The control group does not receive the experimental treatment or intervention, providing a baseline against which the experimental group's results can be compared to determine the effect of the treatment.

Question 5

In Commission on Dietetic Registration Exam, what is sampling bias?

Accepted Answer

A systematic error where some members of a population are more likely to be selected than others

Answer

Sampling bias occurs when the method of selecting participants systematically favors certain characteristics over others, resulting in a sample that does not accurately represent the target population.

CDR - Commission on Dietetic Registration Exam Practice Test

CDR - Commission on Dietetic Registration Exam Practice Test

CDR Research Methods