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A Researcher Asked Students to Teach a Rat to Learn

question 98

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A researcher asked students to teach a rat to learn a maze.Some students were told they had been given a genetically engineered "intelligent" rat,whereas others were told that they had a "dull" rat.Although there were no actual differences among the rats,the "intelligent" rats learned the maze more quickly than the "dull" rats.Which idea discussed in your book can best explain the results of this experiment?


Definitions:

Symmetrical

A shape or object that is exactly the same on both sides of a dividing line or around a center point.

Degrees of Freedom

Refers to the number of independent values or quantities that can vary in an analysis without violating any constraints.

Number

A mathematical object used to count, measure, and label.

Chi-Squared Distribution

A probability distribution widely used in inferential statistics for hypothesis testing and in constructing confidence intervals, especially useful for categorical data.

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