When Researcher Irving Gottesman Pooled Data from Many Studies on Schizophrenia,what

question 98

Multiple Choice

When researcher Irving Gottesman pooled data from many studies on schizophrenia,what did he discover?

• A)genetics had very little promise as a possible causal factor in schizophrenia.
• B)if both parents suffered from schizophrenia,the probability that their offspring will have the illness was almost 100 percent.
• C)the probability that identical twins will both have schizophrenia is about three times greater than the probability for fraternal twins.
• D)although there is a genetic basis to schizophrenia,the degree of genetic relatedness is not correlated with the degree of risk of suffering from the illness.

Understand theories surrounding IQ and its reflection of various factors beyond innate ability.

Recognize the role of education in social inequality and proposals for reform.

Understand the role of affirmative action in enhancing community service among benefited students.

Identify the fields with significant female overrepresentation.

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Definitions:

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of the risk of a Type I error.

SRS

Simple Random Sampling, a method of selecting a sample in which each member of the population has an equal chance of being included.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain states or parameters in a population.

Significance Level

A threshold in hypothesis testing that determines the probability of rejecting the null hypothesis when it is actually true.