Exam 1: A Gentle Introduction
Exam 1: A Gentle Introduction25 Questions
Exam 2: Descriptive Statistics: Understanding Distributions of Numbers25 Questions
Exam 3: Statistical Parameters: Measures of Central Tendency and Variation25 Questions
Exam 4: Standard Scores, the Z Distribution, and Hypothesis Testing25 Questions
Exam 5: Inferential Statistics: The Controlled Experiment, Hypothesis Testing, and the Z Distribution15 Questions
Exam 6: An Introduction to Correlation and Regression30 Questions
Exam 7: The T Test for Independent Groups15 Questions
Exam 8: The T Test for Dependent Groups20 Questions
Exam 9: Analysis of Variance Anova: One-Factor Completely Randomized Design30 Questions
Exam 10: After a Significant Analysis of Variance: Multiple Comparison Tests16 Questions
Exam 11: Analysis of Variance Anova: One-Factor Repeated-Measures Design10 Questions
Exam 12: Analysis of Variance: Two-Factor Completely Randomized Design25 Questions
Exam 13: Post Hoc Analysis of Factorial Anova20 Questions
Exam 14: Factorial Anova: Additional Designs20 Questions
Exam 15: Nonparametric Statistics: The Chi-Square Test20 Questions
Exam 16: Other Statistical Parameters and Tests20 Questions
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An experimenter defines "consumer assertion" as the total number of products that a consumer has returned for his or her money back in a 1-year period.This definition in statistics is
Free
(Multiple Choice)
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Correct Answer:
C
When the experimenter evaluates the outcome of a study without knowing which participants were in the experimental and control groups and the participants are also unaware, then the experiment is said to be
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Correct Answer:
E
Which of the following was NOT presented as one of the eight questions of any study or survey?
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(Multiple Choice)
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Correct Answer:
D
Some patients in a control group will get well because of their belief that they are receiving the real treatment.This phenomenon is known as the
(Multiple Choice)
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A series of studies is used to demonstrate the usefulness of a theory.This process is called
(Multiple Choice)
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For the set of numbers 2, 3, 5, 6, 9, the value of
would be equal to
(Multiple Choice)
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Which of the following words typically has no place in a statistical report?
(Multiple Choice)
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If we randomly choose names from the phone book, call them, and determine whether they are registered voters, does this process result in a random sample of voters?
(True/False)
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Anxiety was measured in a group of anxious elderly patients who were divided into two groups.One group received a new anti-anxiety drug and the other a placebo.The operational definition of the dependent variable is
(Multiple Choice)
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Which of the following is NOT a role of the statistician according to Abelson?
(Multiple Choice)
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A study linked a high blood pressure medicine to an increased risk of heart attacks.How many of the 70 published defenders of the medicine had financial ties to the manufacturer of the drug?
(Multiple Choice)
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For the set of numbers 4, 5, 6, 9, the value of (?x)2 would be equal to
(Multiple Choice)
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Who wrote that "not [ever] being wrong" was even worse than being wrong in science?
(Multiple Choice)
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Which of the following scales requires a rational zero point?
(Multiple Choice)
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In a study of autistic children being taught facilitated communication, what percentage of the autistic kids could answer the questions correctly without any help from the facilitators after their training?
(Multiple Choice)
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Which of the following results in an abuse of statistical power?
(Multiple Choice)
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The capital Greek letter ? indicates that the reader should _______ a set of numbers.
(Multiple Choice)
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