One Explanation for the Differences Between the Genain Sisters in Their

question 105

Multiple Choice

One explanation for the differences between the Genain sisters in their experience of schizophrenia is

• A)the deterioration of the uteral environment.
• B)de novo mutations in the fertilized egg or germ cells.
• C)birth order.
• D)being raised in different households.

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Definitions:

Significance Level

The threshold used in statistical testing to determine if a result is statistically significant, commonly set at 0.05, indicating a 5% risk of concluding an effect exists when it does not.

Z-Test

A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

Degrees of Freedom

The total number of independent pieces of information that went into the estimation of a parameter or the calculation of a statistic.

Chi-Squared Table Value

A value derived from the chi-squared distribution used in statistical tests to determine the significance of observed data.