Distributions of IQ Scores Are Normally Distributed Because________

question 8

Multiple Choice

Distributions of IQ scores are normally distributed because________.

• A) the underlying quality being tested - intelligence - is normally distributed.
• B) IQ tests are designed to generate approximately normal distributions.
• C) there is no cultural bias in the tests.
• D) they reflect the natural distribution of intelligence: human beings are genetically programmed to have an average intelligence of about 100.

Apply various species concepts and understand their relevance to different organisms, including microbes, plants, and animals.

Analyze the genetic and ecological factors contributing to speciation, including the role of sexual selection and natural selection.

Discuss the implications of hybridizing species and the outcomes of such hybridization on speciation.

Grasp the concepts of genetic drift, mutation, and selection pressures in the development of reproductive isolation.

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Definitions:

Significant

Having a meaningful, important, or noticeable effect or influence.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Cross-Sectional Study

A study in which people (or animals) of different ages are compared at a given time.

Longitudinal Study

A research design that involves repeated observations of the same variables (e.g., people) over short or long periods of time.