Recent Research on Shared and Nonshared Environmental Factors and Their

question 28

Multiple Choice

Recent research on shared and nonshared environmental factors and their influence on children's developing temperaments has found that _____.

• A) genetic factors are the primary influence, regardless of environmental factors
• B) parents' attitudes have a direct effect on children's behavior
• C) the shared environmental factors are as influential as the nonshared environmental factors are
• D) the evidence is inconclusive, and more research needs to be conducted

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Definitions:

Chebyshev's Theorem

A statistical theorem stating that for any real-valued random variable, a minimum proportion of values fall within a certain number of standard deviations from the mean, regardless of the shape of the distribution.

Normal Distribution

A symmetrical, bell-shaped distribution of data where most measurements are concentrated around the mean, describing many types of naturally occurring data.

Empirical Rules

statistical rules that apply to normal distributions, describing how many observations fall within certain standard deviations from the mean.

Label

A label is a piece of information attached to an object, product, or document that provides identification, description, warnings, or instructions.