Wechsler Developed the Deviation IQ Based on the Normal Distribution

question 14

Multiple Choice

Wechsler developed the deviation IQ based on the normal distribution. On his test, an overall IQ of 130 would mean ​

• A)the person has 130 units of intelligence.
• B)the person scored two standard deviations above the mean.
• C)the person's MA is 13 and CA is 10.
• D)the test score was calculated incorrectly, because 100 is the highest possible score.

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Definitions:

Sample Bias

A bias that occurs in research when the sample is not representative of the population from which it was drawn, potentially leading to skewed and unreliable results.

Research Participants

Individuals or entities who take part in scientific studies, contributing data through their experiences or reactions.

Qualitative Research

A research strategy focused on understanding phenomena through the analysis of non-numerical data, such as interviews, observations, and texts.

Quantitative Research

A research method focusing on obtaining data through objective measurements and statistical, mathematical, or numerical analysis of data collected through polls, questionnaires, and surveys.