When Interpreting the Results of an Experiment, We First Consider

question 46

Multiple Choice

When interpreting the results of an experiment, we first consider the possibility that the results are due to ____, then second, to ____, and then third, to ____.

• A) independent variable; chance; unknown factor
• B) unknown factor; independent variable; confounding variable
• C) chance; unknown factor; independent variable
• D) Type I variable; Type II variable; independent variable

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Definitions:

One-way ANOVA

A statistical test used to compare the means of three or more independent groups to determine if at least one of the group means is significantly different from the others.

F-ratio

The F-ratio, in the context of an ANOVA test, measures the ratio of variance between groups to the variance within groups, used to identify significant differences between means.

Critical Value

A critical value is a point on a statistical distribution that represents a cutoff used to determine the likelihood of observing a statistic as extreme as, or more extreme than, the observed value.

One-way ANOVA

A statistical test used to determine if there are statistically significant differences between the means of three or more independent (unrelated) groups based on one independent variable.