A proposed explanation made on the basis of limited evidence.

Any factor that can be controlled, changed, or measured in an experiment.

Facts and statistics collected for analysis.

The system of methods followed in a particular study.

Detailed examination of elements or structure.

Watching and recording behaviors or events.

A scientific procedure to test a hypothesis.

A method of gathering information from individuals.

Selecting a portion from a larger group for study.

A survey of scholarly articles on a topic.

A statement or theory put forward as a premise to be maintained.

The consistency of a measure.

Research focusing on descriptive data.

Research involving numerical data.

A brief summary of the research.

The results or outcomes of the study.