Which of the Following Is a Plausible Explanation for How

question 103

Multiple Choice

Which of the following is a plausible explanation for how maternal influenza might lead to schizophrenia later in life?

• A) The flu virus may lie dormant in the brain until adolescence, when it becomes active and initiates the degeneration that results in the symptoms of schizophrenia.
• B) The flu exposure may alter the fetal genes such that a susceptibility to schizophrenia is now part of the child's genetic makeup.
• C) Maternal antibodies could cross the placenta and interfere with brain development such that the risk of developing schizophrenia is enhanced later in life.
• D) The flu virus frequently has long-term effects on the behavior of affected individuals; maternal infection with influenza may result in an environment that is likely to trigger schizophrenia in the susceptible individual.

---

Definitions:

Error Variance

Variability that cannot be explained or accounted for.

Statistical Power

The probability that a statistical test will correctly reject a false null hypothesis, or the test's sensitivity to detect an actual effect when there is one.

Cohen's D

Estimate of the magnitude of the difference between the means of two groups measured in standard deviation units.

Cohen's D

An indicator of the magnitude of difference, displaying the standardized deviation between two averages.