Jane Recently Completed a New Test That Was Designed to Measure

question 103

Multiple Choice

Jane recently completed a new test that was designed to measure her IQ.She took the test twice and each time received the same score.The test administrator told her that her scores indicate she is extremely intelligent.However,Jane scored well below average when she completed the Stanford-Binet and the Wechsler Adult Intelligence Scale (WAIS) ,two well-established intelligence tests.Based on this pattern of results,it appears that the new measure of IQ was a ________.

• A) valid measure of intelligence
• B) valid but unreliable measure of intelligence
• C) reliable but not valid measure of intelligence
• D) more accurate measure of intelligence than the Stanford-Binet or the WAIS

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Definitions:

Random Walk Theory

The hypothesis that stock market prices evolve according to a random walk and, thus, the future movement of stock prices cannot be predicted.

Stock Prices

The cost at which shares of companies are bought and sold in the stock market, reflecting the market's valuation of these companies.

Forecast Accurately

The process of predicting future events, values, or trends with a high degree of precision.

Unexpected Factors

External or unforeseen elements that can impact outcomes in various contexts, including economic conditions, natural disasters, or social changes.