Evaluating the Experiment from the Inside: Internal Validity Statistical Tests

question 38

Multiple Choice

Evaluating the Experiment from the Inside: Internal Validity Statistical tests permit us to

• A)directly test the experimental hypothesis.
• B)make probability statements.
• C)prove the experimental hypothesis.
• D)rule out the possibility of Type 1 error.

---

Definitions:

Distribution

The way in which something is shared out among a group or spread over an area, also used in statistics to describe the spread of values in a dataset.

Kurtosis

A statistical measure that describes the shape of a distribution's tails in relation to its overall shape, indicating the degree of outlier prominence.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values are from the mean.

Mean

The arithmetic average of a set of values, calculated as the sum of all values divided by the total number of values.