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IQ: Environmental and Genetic Influences

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

The steady increase over the past few decades in people's average performance on IQ tests is also known as _____.

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1. Why do children who attend school regularly have overall higher IQ scores?

2. Which of the following has been shown in twin studies?

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About This Quiz & Worksheet

Assess your understanding about the influence of the environment and genetics on intelligence in this quiz/worksheet combo. Practice questions look at the historical increase in IQ scores and the different studies that compare and support the nature versus nurture effects.

Quiz & Worksheet Goals

This assessment measures your knowledge about:

  • The name for the increase in IQ scores over the past several decades
  • Genetic influences on intelligence
  • Environmental influences on intelligence
  • The results of various nature versus nurture studies on intelligence

Skills Practiced

This assessment will test the following skills:

  • Critical thinking - apply relevant concepts to examine information about IQ tests in a different light
  • Distinguishing differences - compare and contrast effects of genetics versus those of the environment on intelligence
  • Information recall - access the knowledge you've gained regarding the outcomes of twin studies

Additional Learning

Learn more about this topic in the lesson called IQ: Environmental and Genetic Influences. Topics include:

  • Genetic influences and supporting research
  • Differences in DNA of identical and fraternal twins
  • Environmental influences and supporting research
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