Imagine an experiment by Tolman in which he measures how fast Norwegian rats run down a runway for different sizes of food pellets. Using Tolman's ideas, match the description of the independent variable to one of the terms listed below from the experiment:

Question

Quizplus · Accepted Answer

The size of food pellet is being deliberately manipulated by the researcher and is therefore the independent variable in this experiment. The speed at which the rats run down the runway will be the dependent variable, as it is expected to change in response to the manipulation of the pellet size. The species of rat and drive state of the rat are not being manipulated or controlled in this particular experiment and therefore cannot be considered independent variables.

Imagine an Experiment by Tolman in Which He Measures How