Let's Say That You Conduct a Study on the Effects

question 8

Multiple Choice

Let's say that you conduct a study on the effects of vitamin B12 on maze learning in rats. Your statistical analysis reveals that 60% of the variance can be accounted for by the manipulation of vitamin B12. The remaining variance (40%) is referred to as

• A) normal variance.
• B) factor analysis.
• C) independent variance.
• D) variable fluctuation.
• E) error variance.

---

Definitions:

Parallel

Entities or processes that are happening simultaneously without intersecting or affecting each other directly.

Variables

Elements, features, or factors that can be changed and measured in an experiment to determine their effects.

Main Effect

In analysis of variance, when a factor or an independent variable has a significant effect upon the outcome variable.

ANOVA

Short for Analysis of Variance, a set of statistical techniques used to compare the means of three or more samples.