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:

Blood Clot

A gel-like mass formed by platelets and fibrin in the blood to stop bleeding and facilitate healing of injured tissues.

Fibrin

A protein involved in blood clotting, forming a fibrous mesh that impedes the flow of blood at a site of injury.

Umbilical Cord

The flexible cordlike structure containing blood vessels and attaching a human or mammalian fetus to the placenta during gestation.

Mucous Connective Tissue

A type of connective tissue found in various parts of the embryonic body and in the umbilical cord, characterized by a jelly-like matrix and sparse fibroblasts.