Research Design Concepts Survey

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Questions and Answers

What is the concept being studied that usually indicates the influence or cause?

Independent variable

What is the extent to which a study measures what it is supposed to measure?

Validity

What type of research design is used to find 'cause-effect' relationships?

Experimental design

What is the score that occurs the most in a dataset?

Mode Signup and view all the answers

What is the basis for the qualitative research approach?

Premises Signup and view all the answers

What is the arithmetic average of a set of values called?

Mean Signup and view all the answers

What is the difference between basic research and applied research?

Basic research is conducted to generate knowledge and test theories, while applied research aims to influence or improve practice. Signup and view all the answers

Define the term 'Control group' in an experiment.

The control group is the group in an experiment that does not receive the treatment or intervention being studied. Signup and view all the answers

What is the dependent variable in a research study?

The dependent variable is the variable that is being measured or tested in an experiment; it is the outcome variable affected by the independent variable. Signup and view all the answers

Explain the term 'Null Hypothesis'.

The null hypothesis states that there is no significant difference or relationship between the variables being studied. Signup and view all the answers

What is the role of the Independent variable in an experiment?

The independent variable is the variable that is manipulated or controlled by the researcher; it is the variable that is hypothesized to cause an effect on the dependent variable. Signup and view all the answers

Define 'Internal validity' in a research study.

Internal validity refers to the extent to which a study is free from confounding variables and accurately shows a causal relationship between the independent and dependent variables. Signup and view all the answers

What is the purpose of qualitative research?

Trying to verify or generate descriptive theory that is grounded in the data gleaned from the investigation (naturalistic). Signup and view all the answers

Define random sample.

Everybody has the same chance of being assigned to any group. Signup and view all the answers

Who is the principle investigator in a research study?

The person who oversees a research population, the target group under investigation. Signup and view all the answers

What is the purpose of quantitative research?

To answer a specific research question by showing statistical evidence that the data may be addressed in a particular way (experimental). Signup and view all the answers