Cross- Fostering Experiments with Norway Rat Pups Showed That in Their

question 19

Multiple Choice

Cross- fostering experiments with Norway rat pups showed that in their response to stress

• A)cross- fostered pups resembled their biological mothers more than their foster mothers.
• B)environment was the critical factor,not genetics.
• C)genetics was the only important factor.
• D)both genetics and the environment played a clear role.

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Definitions:

Two-way ANOVA

A statistical analysis technique used to analyze the effects of two independent variables on a dependent variable and their interaction.

Interaction Effect

A statistical concept in which the effect of two or more variables is not simply additive, indicating that these variables interact in predicting a particular outcome.

Main Effect

The overall impact of an independent variable on a dependent variable in an analysis, ignoring the effects of other independent variables.

F Tests

A class of statistical tests used to compare the variances of two or more samples to assess the equality of population variances.