Why Is It Particularly Useful to Study Identical Twins Who

question 46

Multiple Choice

Why is it particularly useful to study identical twins who were raised in different environments?

• A) Differences in brain function can easily be identified.
• B) Concordance rates tend to be higher.
• C) It is possible that the genetics of twins who have been separated have changed in ways to explain any differences found.
• D) It is possible that high concordance rates between identical twins reared together is due to their being treated more similarly than nonidentical twins.

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Definitions:

Two-Tailed Hypothesis

A statistical test where the area of interest lies in both tails of the distribution, testing for the possibility of a relationship in both directions.

Level of Significance

A threshold used to decide whether a hypothesis test results are statistically significant.

Standard Error

Refers to the standard deviation of the sampling distribution of a statistic, often used as an estimate of the precision of a sample mean or proportion.

Level of Significance

The predetermined threshold in hypothesis testing, below which the null hypothesis is rejected, indicating statistical significance.