In Psychophysical Experiments, It Is Possible to Generate the ROC

question 28

Multiple Choice

In psychophysical experiments, it is possible to generate the ROC function by changing the participant's decision criterion from conservative to liberal. The experimenter can change the decision criterion by

• A) changing the probability that a stimulus rather than noise only will be presented.
• B) changing the payoffs for hits and false alarms.
• C) changing the proportion of trials on which a target is presented
• D) all of these.

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Definitions:

Confidence Interval

A span of numbers, obtained from statistical analysis of a sample, which is expected to encompass the value of a parameter from the overall population that is not yet known.

Mean Height

The average vertical distance measurement, usually of people, within a specific group or population.

United States

A country in North America consisting of 50 states, a federal district, and various territories, known for its significant influence on world culture, economy, and politics.

Confidence Interval

A set of values determined in such a way that a specific probability exists for a parameter's value to fall within this range.