Refer to the Following Graph of an Action Potential to Answer

question 56

Multiple Choice

Refer to the following graph of an action potential to answer the question.

The membrane's permeability to sodium ions is greatest at label ________.

• A) A
• B) B
• C) C
• D) D

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Definitions:

Interaction Effect

The effect on a dependent variable that arises from the combination of two or more variables, different from the sum of their separate effects.

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment.

Simple Effect

A statistical term that describes the effect of one factor at a specific level of another factor within an ANOVA test.

Marginal Mean

The average value of a variable across different levels of another variable, often used in the context of multivariate experiments and statistical analysis.