Some Researchers Contend That Anxiety Is Detrimental to Performance, While

question 20

Short Answer

Some researchers contend that anxiety is detrimental to performance, while other researchers contend that anxiety actually enhances performance. To help shed light on this question, Dr. Patterson has her participants work on crossword puzzles both before and after being exposed to an anxiety-inducing stimulus. The scores on an anxiety rating scale from her 4 participants are presented below.
Using α = .05, test the null hypothesis that the two groups do not differ.

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Definitions:

Mescaline

A psychedelic compound derived from certain cacti, known for its hallucinogenic effects on human perception and consciousness.

Alcohol

A psychoactive substance commonly found in beverages, known for its depressant effects on the central nervous system.

Stimulant Drugs

Substances that increase alertness, attention, and energy by elevating the levels of key chemicals in the brain and other parts of the body.

Excitement

A state of heightened emotional arousal, often associated with anticipation or enthusiasm for an event or activity.