The Researcher's Null Hypothesis Is H₀: σ² ≤ 22

question 48

Multiple Choice

The researcher's null hypothesis is H₀: σ² ≤ 22. A sample of n = 25 items yields a sample variance of s² = 28.5. The critical value of chi-square for a right-tailed test at α = .05 is:

• A)1.960
• B)1.645
• C)13.85
• D)36.42

Recognize the role of discriminative stimuli in operant conditioning.

Explain the significance of reinforcement schedules in determining the rate and resistance of behavior to extinction.

Understand the impact of immediate versus delayed reinforcers on learning.

Distinguish between positive and negative reinforcement and their effects on behavior.

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Definitions:

Consciousness

The state of being aware of and able to think about one's surroundings, actions, and thoughts.

Circadian Cycle

An innate system that controls the cycle of sleeping and waking, repeating approximately every 24-hour period.

Consciousness

The state of being awake and aware of one's surroundings, thoughts, and feelings.

Personal Awareness

The conscious recognition and understanding of one's own character, feelings, motives, and desires.