A Researcher Reports That the Mean Time It Takes to Complete

question 30

Multiple Choice

A researcher reports that the mean time it takes to complete an experimental task is 1.4±8.0 (M±SD) seconds.If the null hypothesis was that the mean equals 1.0,then what is the effect size for this test using estimated Cohen's d?

• A)d = 0.05;small effect size
• B)d = 0.50;medium effect size
• C)d = 1.05;large effect size
• D)There is not enough information to answer this question.

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Definitions:

Stock-Index Option Markets

Marketplaces where options based on the movements of stock market indices are traded, allowing investors to speculate or hedge against market swings.

Uncovered Call Option

An option contract that is sold without holding an offsetting position in the underlier, thus exposing the seller to unlimited risk.

Uncovered Put Option

A type of options strategy where the seller of the put option does not have a sufficient position in the underlying asset, exposing them to potentially unlimited losses.

Digital Option

A financial instrument that provides a fixed return if the market price is above (for a call) or below (for a put) a certain level at expiration.