Litter Sizes (Number of Pups)for Randomly Chosen Dogs from Two

question 90

Multiple Choice

Litter sizes (number of pups) for randomly chosen dogs from two breeds were compared.The sample data were entered into Excel,and the following results were produced. What is the critical value for a left-tailed test comparing the means at α = 0.05?

• A)−1.645
• B)−1.721
• C)−1.703
• D)−1.699

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Definitions:

Associative Strength

The measure of how strongly two ideas or stimuli are linked in a person's mind.

Surprise Value

The significance or impact of an unexpected event, which can greatly influence learning and memory processes.

Overshadowing

A phenomenon in classical conditioning where a more salient stimulus prevents the learning of a less salient one.

CS Preexposure Effect

A phenomenon in classical conditioning where prior exposure to the conditioned stimulus without the unconditioned stimulus can inhibit the formation of a conditioned response.