1. An odds ratio is a ratio of the odds for members of two different groups, often used to summarize information about outcomes when the outcome variable is a true dichotomy is known as:
Answer
Correct Answer:
Odds Ratio
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2. For a 2 × 2 table, Cramer’s V is equivalent to the absolute value of the ϕ coefficient and can range from ____________ .
Answer
Correct Answer:
0 to +1
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3. ___________ is a correlation (also an effect size) that indexes the strength of association between scores on two true dichotomous variables.
Answer
Correct Answer:
Phi Coefficient (φ)
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4. Surveys or polls of attitudes or voter intentions often report results in terms of sample proportions called _____________ .
Answer
Correct Answer:
Margin of Error
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5. A conditional probability is the probability of an outcome on one variable.
Answer
Correct Answer:
True
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6. The overall probability of some outcome (such as survival vs. death) for the entire sample is known as:
Answer
Correct Answer:
Unconditional Probability
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7. A column percentage for a cell in a contingency table is found by dividing the cell n by the total number of cases in that column.
Answer
Correct Answer:
True
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8. A Y variable is contingent on an X variable if scores on the Y variable are predictable to some extent from scores on the X variable is known as:
Answer
Correct Answer:
Contingency
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9. A row percentage for a cell in a contingency table is found by dividing the cell n by the total number of cases in that row is called _________ .
Answer
Correct Answer:
Row Percentage
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10. In a contingency table, these are the total numbers of cases in each row or each column, obtained by summing cell frequencies within each row or column is known as:
Answer
Correct Answer:
Marginal Frequencies
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11. ______________ is a table in which each row corresponds to group membership on one categorical variable.
Answer
Correct Answer:
Contingency Table
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