Statistics for Psychology6th EditionArthur Aron Ph.D., Elaine N. Aron Ph.D., Elliot Coups Ph.D., Cole Publishing Publisher: PEARSONISBN: 9780205258154
Statistics for Psychology
Solutions for Statistics for Psychology
Problem 1.2HD:
(a) What is a Type I error? (b) Why is it possible? (c) What is its probability? (d) What is this...Problem 1.3HD:
(a) What is a Type II error? (b) Why is it possible? (c) What is its probability called?
Problem 1.4HD:
If you set a lenient alpha level (say .25), what is the effect on the probability of (a) Type I...Problem 1.5HD:
If you set an extreme alpha level (say .001), what is the effect on the probability of (a) Type I...Problem 2.2HD:
Why do researchers usually use a standardized effect size?
Problem 2.3HD:
Write the formula for effect size in the situation we have been considering, and define each of the...Problem 2.4HD:
On a standard test, the population is known to have a mean of 500 and a standard deviation of 100....Problem 2.5HD:
(a) Why are effect size conventions useful? (b) What are the effect conventions for d?
Problem 3.4HD:
Name three approaches that researchers typically use to determine power.
Why do researchers use...Problem 5.7HD:
When a result is not significant, what can you conclude about the truth of the research hypothesis...Problem 1PP:
Define alpha and beta.
Problem 2PP:
For each of the following studies, make a chart of the four possible correct and incorrect...Problem 3PP:
In a completed study, there is a known population with a normal distribution, μ = 25, and σ = 12....Problem 4PP:
In a planned study, there is a known population with a normal distribution, μ = 50, and σ = 5. What...Problem 6PP:
Here is information about several possible versions of a planned experiment. Figure effect size for...Problem 7PP:
You read a study in which the result is significant (p < .05). You then look at the size of the...Problem 9PP:
How does each of the following affect the power of a planned study?
A larger predicted difference...Problem 13PP:
For each of the following studies, make a chart of the four possible correct and incorrect...Problem 14PP:
In a completed study, there is a known population with a normal distribution, μ = 122, and σ = 8....Problem 15PP:
In a planned study, there is a known population with a normal distribution, μ = 0, and σ = 10. What...Problem 16PP:
In a planned study, there is a known population with a normal distribution, μ = 17.5, and σ = 3.2....Problem 17PP:
Here is information about several possible versions of a planned experiment, each with a single...Problem 18PP:
You read a study that just barely fails to be significant at the .05 level. That is, the result is...Problem 19PP:
19. In the Decision Errors, Effect Size, and Power in Research Articles section earlier in this...Problem 20PP:
Caspi and colleagues (1997) analyzed results from a large-scale longitudinal study of a sample of...Browse All Chapters of This Textbook
Chapter 1 - Displaying The Order In A Group Of Numbers Using Tables And GraphsChapter 2 - Central Tendency And VariabilityChapter 3 - Some Key Ingredients For Inferential StatisticsChapter 4 - Introduction To Hypothesis TestingChapter 5 - Hypothesis Tests With Means Of SamplesChapter 6 - Making Sense Of Statistical SignificanceChapter 7 - Introduction To T TestsChapter 8 - The T Test For Independent MeansChapter 9 - Introduction To The Analysis Of VarianceChapter 10 - Factorial Analysis Of Variance
Chapter 11 - CorrelationChapter 12 - PredictionChapter 13 - Chi-square TestsChapter 14 - Strategies When Population Distributions Are Not NormalChapter 15 - The General Linear Model And Making Sense Of Advanced Statistical Procedures In Research ArticlesChapter W4 - Integration And The General Linear Model
Book Details
Emphasizing meaning and concepts, not just symbols and numbers
Statistics for Psychology, 6thedition places definitional formulas center stage to emphasize the logic behind statistics and discourage rote memorization. Each procedure is explained in a direct, concise language and both verbally and numerically.
Learning Goals
Upon completing this book, readers should be able to:
- Know both definitional and numerical formulas and how to apply them
- Understand the logic behind each formula
- Expose students to the latest thinking in statistical theory and application
- Prepare students to read research articles
- Learn how to use SPSS
Sample Solutions for this Textbook
We offer sample solutions for Statistics for Psychology homework problems. See examples below:
Chapter 1, Problem 1.1HDIn statistics central tendency is a central value for a probability distribution. It may also be...Z score: The Z score is the number of standard deviations that a score is above or below the mean of...Null hypothesis: The null hypothesis denotes the statement for determining the relationship between...Distribution of means: The distribution of means denotes the probability distribution of the mean...Decision error: Decision error occurs when the conclusion of the hypothesis testing is incorrect in...The difference between the sample and population variance is that, in general the variance of the...The t test for independent means: When two groups of people who are not dependent on each other are...ANOVA: Analysis variance is a test for analyzing and comparing the different group means. For...
Factorial Research Design: A factorial research design is used for testing the effect of two or more...The scatter diagram is used to identify the type of relationship exists between the two variables....The predictor variable is also known as independent variable. It provides the information by using...Chi-square goodness of fit: Chi-square goodness of fit is a nonparametric test used to test the...The two main assumptions for t tests, ANOVA and regression are given below: The populations are...The procedure is said to be special case of another if the procedure is derived from the formula of...In bivariate regression model, the variable would be predicted based on only one independent...
More Editions of This Book
Corresponding editions of this textbook are also available below:
Statistics for Psychology, Books a la Carte Edition
6th Edition
ISBN: 9780205905928
EP STAT.F/PSYCHOLOGY-MYLAB W/ETEXT
6th Edition
ISBN: 9780205847112
STATISTICS F/ PSYCHOLOGY W/ACCESS
6th Edition
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Statistics For The Behavioral And Social Sciences: A Brief Course, Books A La Carte (6th Edition) (what's New In Psychology)
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Statistics for Psychology
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Pearson eText for Statistics for Psychology -- Instant Access (Pearson+)
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Statistics For Psychology
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Statistics for Psychology
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ISBN: 9780205847471
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Statistics for Psychology - Study Guide and Computer Workbook
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Statistics For Psychology, 5th Edition, Instructor's Copy
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Statistics For Psychology Value Package (includes Study Guide And Computer Workbook For Statistics For Psychology) (5th Edition)
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Statistics F/psychology-std.gde.+wkbk.
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MyLab Statistics with Pearson eText for Statistics for Psychology Access Card
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STATISTICS FOR PSYCHOLOGY MYLAB WITH ET
7th Edition
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