Find Z-Scores for a Given Area
-For a Standard Normal $90 \%$

question 20

Multiple Choice

Find z-scores for a Given Area
-For a standard normal curve, find the z-score that separates the bottom $90 \%$ from the top $10 \%$ .

• A) \(1.28\)
• B) \(0.28\)
• C) \(1.52\)
• D) \(2.81\)

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Definitions:

Placebo Treatments

Inactive substances or procedures given to a participant in place of an actual treatment, used in research to test the effectiveness of therapies.

Conditioned Stimulus

In classical conditioning, a previously neutral stimulus that, after being associated with an unconditioned stimulus, comes to elicit a conditioned response.

Snake Phobia

An intense, irrational fear of snakes, which can cause emotional and physical reactions even in the absence of real danger.

Classical Conditioning

The act of learning through establishing a relationship between a stimulus that is environmentally based and another that occurs spontaneously in nature.