Explain Why Even the Simplest Kind of Measurement, Such as Finding

question 23

Essay

Explain why even the simplest kind of measurement, such as finding your height, still presents complicated issues.

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Definitions:

Two Groups

A research design involving comparison between two separate groups of participants to determine the effect of a variable.

Experiment

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

History Effect

refers to the impact that events occurring between the first and second measurements in an experiment have on the subjects' performance, independent of the experimental manipulation.

Regression Toward the Mean

A statistical phenomenon where extreme scores on a variable tend to be closer to the mean upon subsequent measurements.