Longitudinal Data Can Be Misleading Because Surveys at Two Points

question 19

True/False

Longitudinal data can be misleading because surveys at two points in time,conducted with different respondents in the sample,can mask even dramatic changes taking place in the population or indicate great changes when none are taking place.

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Definitions:

Distance Traveled

The total length of the path taken between two points.

Rate

A ratio that compares two quantities of different units, commonly used to describe a time-dependent process such as speed.

Time

A continuous progression of existence and events in the past, present, and future regarded as a whole.

Algebraic Expression

An expression consisting of numbers, variables, and operations but no equal signs.