A Type I Error Occurs When the Null Hypothesis Is

question 72

Multiple Choice

A Type I error occurs when the null hypothesis is really true and we claim

• A) the independent variable did not have an effect on behavior.
• B) the independent variable did have an effect on behavior.
• C) the inferential test was not statistically significant.
• D) that the results are not statistically significant.

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Definitions:

Contingency Table

A data table that displays the frequency distribution of the variables.

Expected Frequency

In statistics, the predicted count of occurrences in a category of a contingency table based on probabilities derived from a theoretical distribution.

Sample Size

The number of observations or replicates included in a statistical sample, influencing the study's precision and conclusions.

Null Hypothesis

A hypothesis that assumes no significant difference or relationship between variables, serving as the default position that indicates no effect or change.