The Critical Value for a Two-Tailed Test of H₀: β₁

question 15

Multiple Choice

The critical value for a two-tailed test of H₀: β₁ = 0 at α = .05 in a simple regression with 22 observations is:

• A)±1.725
• B)±2.086
• C)±2.528
• D)±1.960

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Definitions:

Variable-Ratio Schedule

A reinforcement schedule in which a response is rewarded after an unpredictable number of responses, making the reward random.

Fixed-Ratio

A type of reinforcement schedule in operant conditioning where a response is reinforced only after a specified number of responses have occurred.

Discriminative Stimulus

In behavioral psychology, a stimulus that signals the availability of reinforcement or punishment, guiding the organism's responses.

Reinforcer

Something that increases the likelihood of a behaviour by either presenting a positive stimulus or removing a negative one following the behaviour.