The Degrees of Freedom for a T-Test for Independent Groups

question 30

Multiple Choice

The degrees of freedom for a t-test for independent groups are

• A) N - 1.
• B) (n₁ + n₂) - 1.
• C) (n₁ + n₂) - 2.
• D) 2(N) - 1.

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Definitions:

Negative Reinforcement

A process in behavior analysis where the removal of an unpleasant stimulus strengthens a behavior, increasing the probability of its occurrence.

Classical Conditioning

A learning process that occurs through associations between an environmental stimulus and a naturally occurring stimulus, leading to a learned response.

Self-efficacy

A belief in one's ability to succeed in specific situations or accomplish a task.

Effort Necessary

The amount of work or energy required to achieve a specific outcome or goal.