An Unbiased Estimator of a Population Parameter Is Defined As

question 23

Multiple Choice

An unbiased estimator of a population parameter is defined as:

• A)an estimator whose expected value is equal to the parameter.
• B)an estimator whose variance is equal to one.
• C)an estimator whose expected value is equal to zero.
• D)an estimator whose variance goes to zero as the sample size goes to infinity.

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Definitions:

CS-UCS Intervals

The time intervals between the presentation of the conditioned stimulus (CS) and the unconditioned stimulus (UCS) in classical conditioning.

Rescorla-Wagner Model

A model of classical conditioning that proposes that learning is determined by the extent to which a unconditioned stimulus is unexpected or surprising.

Conditioned Strength

The extent to which a conditioned stimulus can elicit a strong and reliable conditioned response after associative learning has occurred.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally and automatically triggers a response without any need for learning.