A Researcher Tests the Memories of Groups Who Are 40,60,and

question 300

Multiple Choice

A researcher tests the memories of groups who are 40,60,and 80 years old,and finds the youngest group better able to memorize information.The researcher concludes memory ability declines with age.You should assume the researcher's conclusion is

• A) valid, due to sequential effects.
• B) invalid, due to sequential effects.
• C) valid, due to cohort effect.
• D) invalid, due to cohort effect.

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Definitions:

Prior Period Adjustment

Corrections of material errors related to a prior period or periods, excluded from the determination of net income.

Retained Earnings

The portion of a company's profits that is kept or retained for reinvestment in the business, rather than being distributed to shareholders as dividends.

Stock Split

A corporate action to increase the number of outstanding shares by issuing more shares to current shareholders, proportionally decreasing the stock price.

Shares Outstanding

The total number of a company's shares of stock that are owned by shareholders, including both public investors and company insiders.