In a study comparing the percentage of minority students with attendance rates and graduation rates in Massachusetts high schools, the unit of analysis is high schools.
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False
If the graduation rate declines as the percentage of minority students in a high school increases, we can safely conclude that minority students are less likely to graduate than non-minority students.
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False
Independent variable is to cause as dependent variable is to effect.
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False
In a study of the effect of gender on trust, gender would be a control variable.
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False
A negative correlation means that there is no association between variables.
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False
Statistical significance measures the strength of the association between two variables.
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False
Either an antecedent or an intervening variable can create a spurious relationship.
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False
In a study of the impact of gender on aggression, the direction of influence is clear.
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False
A statistically significant, negative association between frequency of alcohol consumption and grade-point average clearly implies that alcohol consumption negatively affects grades.
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False
“Education is related to prejudice” is a proper hypothesis statement.