A Cohen's D Value of

question 33

Multiple Choice

A Cohen's d value of .60 may be considered to be a ______ effect.

• A) small
• B) medium
• C) large
• D) nonsignificant

---

Definitions:

Opponent-process Theory

A psychological and neurological model that explains a wide range of behaviors, including color vision and emotions, by proposing that elements are usually paired and oppose each other.

Negative Afterimages

Visual illusions that occur after looking at a brightly lit stimulus, resulting in seeing a reversed color (negative) image when the eyes focus on a neutral background.

Trichromatic Theory

A theory of color vision proposing that the human eye has three types of receptors with differing sensitivities to different light wavelengths, corresponding to red, green, and blue colors.

Retinex Theory

A theory stating that the color of an object is determined by its reflectance properties in a viewing context, explaining color consistency under different lighting.