There Is a Trade-Off Between Internal Validity and External Validity

question 15

True/False

There is a trade-off between internal validity and external validity.If we want high internal validity,we should be willing to settle for lower external validity and vice versa.

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Definitions:

Degrees of Freedom

The number of independent values or quantities that can vary in the calculation of a statistic, often affecting its distribution.

Confidence Interval

A scope of values, extracted from sample studies, that is likely to enclose the value of an unknown characteristic of the population.

T-Distribution

A statistical distribution used when estimating population parameters of a normally distributed population in situations where the sample size is small and the population standard deviation is unknown.

Degrees of Freedom

The count of separate values or amounts assignable to a statistical distribution.