Test Bank for Applied Statistics II: Multivariable and Multivariate Techniques 3rd Edition By Rebecca M. Warner

Test Bank for Applied Statistics II, Multivariable and
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Multivariate Techniques, 3rd Edition Warner (All
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gh Chapters included)
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,Chapter 1: The New Statistics gh gh gh gh




gh Test Bank gh




Multiple Choice gh




1. A variable that is statistically controlled in an analysis is a(n)
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a. an independent variable
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b. a dependent variable
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c. a covariate
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d. a
manipulated
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variableAns: C
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Cognitive Domain: Knowledge gh gh


Answer Location: 1.1: Required
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BackgroundDifficulty Level: Easy
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2. In past years, many investigators have failed to report .
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a. the effect size gh gh


b. the sample sizes gh gh


c. descriptive statistics gh


d. obtained p gh


valuesAns: A gh


Cognitive Domain: Knowledge gh gh


Answer Location: 1.2: What is the “New
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Statistics”?Difficulty Level: Easy
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3. A primary concern of investigators has been, and often still is, obtaining a p
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value of
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.
a. .10
b. .05
c. .01
d. .000
Ans: B gh


Cognitive Domain: Knowledge gh gh


Answer Location: 1.2: What Is the “New
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Statistics”?Difficulty Level: Easy
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4. A major change advocated by New Statistics is
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a. reduced emphasis on effect size gh gh gh gh


b. focus on the results of single studies
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c. not reporting confidence intervals
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d. understanding the limitations of gh gh gh


significance testsAns: D
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,Cognitive Domain: Knowledge gh gh


Answer Location: 1.2: What is the “New
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Statistics”?Difficulty Level: Easy
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5. A primary change proposed by advocates of New Statistics
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involves summarizingeffect sizes from a number of studies using
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.
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a. Bayesian statistics gh


b. meta-analysis
c. multivariate analysis gh


d. descriptive statistics gh


Ans: B
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Cognitive Domain: Knowledge gh gh


Answer Location: 1.2: What Is the “New
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Statistics”?Difficulty Level: Easy
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6. An emphasis of New Statistics is
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a. using increasingly precise p values
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b. developing new methods of statistical analysis gh gh gh gh gh


c. reducing emphasis on confidence interval interpretation
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d. adopting a more critical perspective when
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considering significanceAns: D
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Cognitive Domain: Knowledge gh gh


Answer Location: 1.2: What Is the “New
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Statistics”?Difficulty Level: Easy
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7. Which of the following types of information is provided to investigators by
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NHST?
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a. whether the hypothesis of the study has been proven
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b. the probability that the research hypothesis is true
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c. the probability of obtaining results about the H0 based on one sample
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d. the exact probability of obtaining the same results
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on replicationAns: C
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Cognitive Domain: Analysis gh gh


Answer Location: 1.3: Common Misinterpretations of p
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ValuesDifficulty Level: Hard gh gh




8. When reading an article that reports the results of multiple statistical
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tests, readersshould remember that multiple tests .
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a. provide inaccurate information about the risks of Type I errors
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b. provide inaccurate information about the risks of Type II errors
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c. enhance understanding of cause and effect relationships
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d. provide reliable information about the size and importance
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of effectsAns: A
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Cognitive Domain: Application gh gh


Answer Location: 1.3: Common Misinterpretations of p
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ValuesDifficulty Level: Medium gh gh

, 9. An advocate of New Statistics would object to a research report
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ghthat included astatement like the .
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a. results of our study are consistent with a recent meta-analysis
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b. significant results should be interpreted cautiously due to the large sample size
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c. results of our study approached statistical significance
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d. results of our study provide support for our
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ghinitial hypothesisAns: C
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Cognitive Domain: Application gh gh


Answer Location: 1.3: Common Misinterpretations of p
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ValuesDifficulty Level: Medium gh gh




10. If a statistical analysis yields p = .03, a research report can include a
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statement like
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.
a. the results of our study are likely to be replicated
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b. the evidence is consistent with the hypothesis of our study
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c. there is a 97% chance that the null hypothesis of our study is false
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d. the results of our study cannot be explained
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ghby chanceAns: B
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Cognitive Domain: Application gh gh


Answer Location: 1.3: Common Misinterpretations of p
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ValuesDifficulty Level: Medium gh gh




11. An advocate of New Statistics would support a p value reported as
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a. p = .0000
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b. p < .01gh gh


c. p < .05
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d. p = .025
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Ans: D gh


Cognitive Domain: Knowledge gh gh


Answer Location: 1.4: Problems with NHST
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ghLogicDifficulty Level: Easy gh gh




12. A problem with NHST logic is that it .
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a. eliminates the need to think in terms of double negatives
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b. encourages investigators to describe study results in terms of uncertainty
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c. cannot tell investigators what they want to know
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d. is used consistently and correctly in the majority
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ghof studiesAns: C
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Cognitive Domain: Comprehensiongh gh


Answer Location: 1.4: Problems with NHST
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ghLogicDifficulty Level: Medium gh gh




13. An important assumption underlying the use of an independent samples t
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test orone-way ANOVA is that
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a. the grouping variables are normally distributed in the population
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