A Researcher Performs a Series of Pilot Studies to Evaluate

question 19

Multiple Choice

A researcher performs a series of pilot studies to evaluate whether a measurement tool produces consistent results.This is an evaluation of

• A) accuracy.
• B) precision.
• C) reliability.
• D) validity.

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Definitions:

Colored Part

This refers to the iris; it is the pigmented part of the eye responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the diameter and size of the pupil.

Pupil

The black circular opening in the center of the iris of the eye, through which light enters the eye.

Lens

A curved piece of glass, plastic, or other transparent materials that refracts light rays, focusing them to form an image or aid in vision correction.