An Expert Is Asked to Comment on the Confidence-Accuracy Relationship

question 12

Multiple Choice

An expert is asked to comment on the confidence-accuracy relationship of an eyewitness's report. The expert will state that

• A) the higher the witness's confidence, the more likely it is that the memory is accurate.
• B) the lower the witness's confidence, the more likely it is that the memory is accurate.
• C) extremely high confidence is a good indicator of an accurate memory, but more moderate levels of confidence are uninformative.
• D) confidence levels are a poor indicator of the accuracy of recall.

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Definitions:

Standard Deviation Units

Units of measurement derived from the standard deviation, used to quantify the variation or dispersion of a set of data points.

Bell-Shaped

Describes the graphical representation of a normal distribution, where most values cluster around a central peak and the distribution tapers off symmetrically towards both tails.

Standard Normal Distribution

A distribution of probability that displays symmetry around its mean, highlighting that instances near the mean happen more often than those far from it.

Mean

The mean of a number set, determined by dividing the total sum of the numbers by the count of numbers present.