A Researcher Has Conducted an Experiment in Which She Assigned

question 10

Multiple Choice

A researcher has conducted an experiment in which she assigned all of her students four hours of homework the night before a test; in order to see what effect the extra stress has on test performance. The study is flawed because the researcher did not include a(n) __________

• A) control group.
• B) experimental group.
• C) independent variable.
• D) dependent variable.

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Definitions:

Commercial Impracticability

A doctrine under contract law where a party is excused from performing their contractual duties because unforeseen events have made performance excessively burdensome or impracticable.

Excuse Performance

A legal doctrine that allows a party to be released from a contractual obligation when events beyond their control prevent them from performing.

Rejection Is Ineffective

A legal principle indicating that simply refusing or rejecting an offer or contract does not nullify or void its terms or its potential effects.

Notifies The Seller

The act of informing the seller about relevant information or decisions, typically in a commercial transaction.