In a Study Described in Your Textbook, Researchers Randomly Assigned

question 22

Multiple Choice

In a study described in your textbook, researchers randomly assigned participants to sprint, jog, or do nothing and then memorize a vocabulary list. Which group was able to learn the most words on average?

• A) the group that sprinted
• B) the group that jogged
• C) the group that did nothing
• D) none; there was no significant difference between groups

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Definitions:

Universal Generalization

A principle of deductive reasoning that allows one to conclude that something is true for all cases after confirming it is true in every observed case.

Existential Instantiation

A logical principle that states from the knowledge that something exists, one can infer the existence of an instance of that thing.

Universal Instantiation

A logical rule that allows one to deduce that a statement applies to specific instances given it holds for all instances.

Modus Tollens (MT)

A form of logical argument where the denial of the consequent leads to the denial of the antecedent.