A Researcher Is Conducting a One-Sample T Test to Determine

question 31

Multiple Choice

A researcher is conducting a one-sample t test to determine if a particular treatment intervention will lower scores on a dependent variable. α = .01 and n = 43. What is t_crit?

• A) -2.423
• B) ±2.423
• C) +2.423
• D) -2.704

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Definitions:

Hue

The aspect of color that is determined by the wavelength of light and is perceived as the color itself, such as red, blue, or green.

Pitch

The perception of how high or low a sound is, determined by the frequency of sound waves.

Brightness

The perception of the intensity of light emitted or reflected by an object, contributing to its visibility.

Loudness

A perceptual attribute of sounds that determines the intensity or volume as heard by the listener.