CH. 2 Research Methods

Randomly selected sample of subjects from a larger population of subjects.

• case study

• hypothesis

• independent variable

• representative sample

A measure of the relationship between two variables.

• scientific method

• experiment

• correlation

• dependent variable

Variable in an experiment that is manipulated by the experimenter.

• independent variable

• dependent variable

• experiment

• correlation

Variable in an experiment that represents the measurable response or behavior of the subjects in the experiment.

• independent variable

• dependent variable

• operational definition

• experiment

__________ refers to the extent to which the results of the study can be applied beyond the sample and the settings used in the study.

• Generalizability

• Population

• Sample

• Credibility

_____________ ____________ are variables that can potentially distort the relationship between the IV and the DV.

• Target population

• Confounding variables

• Matching variables

• Target variables

___________ __________ is the group of people to which the findings of the study are expected to be generalized.

• Sample

• Random sampling

• Target population

• Matching variables

In __________ __________ every member of the target population has an equal chance of becoming part of the sample.

• Stratified sampling

• Random sampling

• Opportunity sampling

• Self-selected sampling

In_____________ _______________you recruit participants that are more easily available.

• Self-selected sampling

• Opportunity sampling

• Random sampling

• Stratified sampling

This research method is a descriptive technique in which one individual or group is studied in depth in the hope of revealing universal principles

• Case Study
• Survey
• Observational
• Correlational
• Experiments