An Experimental Psychologist Is Interested in Whether the Color of an Animal's

question 7

Multiple Choice

An experimental psychologist is interested in whether the color of an animal's surroundings affects learning rate. He tests 16 rats in a box with colorful wallpaper. The average rat (of this strain) can learn to run this type of maze in a box without any special coloring in an average of 25 trials, with a variance of 64, and a normal distribution. The mean number of trials to learn the maze, for the rats tested with the colorful wallpaper, is 11.
-What is σ_M?

---

Definitions:

Successive Approximations

A behavior training process where closer and closer approximations to a desired behavior are reinforced until the desired behavior is achieved.

Shaping

A method of conditioning by which successive approximations towards a desired behavior are reinforced, gradually guiding the behavior closer to the target.

Contingency Management

A behavioral intervention strategy that modifies the consequences of behaviors to increase or decrease those behaviors.

Implementation

The process of putting a decision or plan into effect; execution.