Research Study Guide

Podcast

Play an AI-generated podcast conversation about this lesson

Download our mobile app to listen on the go

Get App

Questions and Answers

A researcher is designing a study to examine the relationship between two variables. Which of the following best describes the role of the hypothesis in this study?

A statement of the problem being addressed by the study.
A null statement indicating no relationship between the variables.
A measurement device used to collect data.
A prediction of the relationship between the two variables. (correct)

In a research study, what is the primary purpose of the control group?

To receive the treatment being tested.
To serve as a comparison to assess the impact of the independent variable. (correct)
To introduce extraneous variables into the study.
To measure the dependent variable.

Which type of research study is considered the 'gold standard' for evaluating interventions?

Randomized controlled trial (RCT). (correct)
Qualitative study.
Descriptive study.
Cross-sectional study.

What is the primary focus of basic research?

Increasing knowledge without a specific application. (B) Signup and view all the answers

A researcher is conducting a study where data is collected at a single point in time. This study design is best described as:

Cross-sectional. (A) Signup and view all the answers

According to the Nuremberg Code, which of the following is a key ethical consideration in research involving human subjects?

Obtaining voluntary consent from participants. (D) Signup and view all the answers

Which of the following is a defining characteristic of qualitative research studies?

Focus on descriptive results and understanding experiences. (B) Signup and view all the answers

Which element is essential for informed consent?

Full disclosure of the study's purpose and risks. (B) Signup and view all the answers

A researcher is reviewing records for a study but it may reveal sensitive information, what authorization needs to be signed?

PHI Privacy Rule Authorization. (A) Signup and view all the answers

In qualitative research, what is the role of the researcher?

To be a 'key instrument' in data collection and analysis. (D) Signup and view all the answers

When is a 'full board' review by the IRB typically required?

When the research involves more than minimal risk to participants. (D) Signup and view all the answers

What is the main goal of thematic analysis in qualitative study design?

To identify and organize key ideas that emerge from the data. (C) Signup and view all the answers

What is the primary purpose of 'intention to treat' analysis in clinical trials?

To include all participants in the analysis, regardless of adherence or completion. (C) Signup and view all the answers

Which design allows participants to act as both the control and experimental group?

Crossover. (C) Signup and view all the answers

What is the main characteristic of descriptive research?

No intervention or contol group. (B) Signup and view all the answers

What information does a correlation coefficient provide?

Degree to which variables are related. (C) Signup and view all the answers

A p-value is ≤0.05. What does this indicate?

Result is statistically significant. (C) Signup and view all the answers

What is best type of sampling to get the most representative sample?

Simple Random Sampling. (C) Signup and view all the answers

What is the main goal of Analytic Epidemiology?

To determine strength of association. (D) Signup and view all the answers

If the confidence interval includes 1, what does this mean?

Not likely stastically significant. (B) Signup and view all the answers

Flashcards

Hypothesis

A statement that predicts the relationship between two variables.

Dependent Variable

Variable changed by the independent variable; the 'outcome' variable.