Understanding the importance of research in sport

A description of how close a measurement is to the true value of the quantity measured.

• Accuracy

• Precision

• Reliability

• Validity

A measure of how close a series of measurements are to one another.

• Accuracy

• Precision

• Reliability

• Validity

The ability of a test to yield very similar scores for the same individual over repeated testings.

• Accuracy

• Precision

• Reliability

• Validity

The extent to which a test measures or predicts what it is supposed to.

• Accuracy

• Precision

• Reliability

• Validity

The degree to which changes in the dependent variable are due to the manipulation of the independent variable.

• Ecological validity

• Face validity

• External validity

• Internal validity

The extent to which the results of a study can be generalized to other situations and to other people.

• Ecological validity

• Face validity

• External validity

• Internal validity

The extent to which a study is realistic or representative of real life.

• Ecological validity

• Face validity

• External validity

• Internal validity

Extent to which respondents can tell what the items are measuring (usually when completing a questionnaire).

• Ecological validity

• Face validity

• External validity

• Internal validity

The extent to which different researchers could get the same results.

• Internal consistency reliability

• Inter-researcher reliability

• Intenal validity

• Test-retest reliability

The extent to which a test taker's scores on the same test taken on separate occasions would yield the same results.

• Internal consistency reliability

• Inter-researcher reliability

• Intenal validity

• Test-retest reliability