The Improvement in Reliability Gained by Adding Additional "Good" Test

question 86

Multiple Choice

The improvement in reliability gained by adding additional "good" test items can be precisely calculated using the ________ formula.

• A) Pearson Product Moment
• B) alpha
• C) Tucker-Lewis
• D) Spearman-Brown

---

Definitions:

Perceptual Changes

Alterations in the way an individual interprets or experiences sensory information.

Nicotine

A stimulant drug found in tobacco products that is both highly addictive and capable of causing both psychological and physical dependency.

3,4-methylenedioxymethamphetamine

A psychoactive drug, known commonly as MDMA or ecstasy, which has stimulant and psychedelic effects, often used recreationally.

Ecstasy

A psychoactive drug known chemically as MDMA, often used recreationally for its effects like increased energy, emotional warmth, and distorted time and sensory perceptions.