A device that can detect the events to which an operational definition refers is a(n):
A)tool.
B)gadget.
C)demand characteristic.
D)instrument.

Question

Quizplus · Accepted Answer

An operational definition specifies how a variable or behavior will be measured or observed, and an instrument is a device or tool used to make measurements or observations. Therefore, a device that can detect the events to which an operational definition refers is best described as an instrument. Choice A and B are too general and do not specifically address the function of detecting events. Choice C refers to a potential confounding factor that can impact the results of an study, but does not relate to the question of what device is used to detect events.

A Device That Can Detect the Events to Which an Operational