ISU PSY 138 - Final Exam Study Guide (2 pages)

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Final Exam Study Guide



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Final Exam Study Guide

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Pages:
2
Type:
Study Guide
School:
Illinois State University
Course:
Psy 138 - Reasoning in Psychology Using Statistics
Reasoning in Psychology Using Statistics Documents

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Final Exam Study Guide PSYC 3510 1st Edition Based on chapters 1 2 3 4 5 8 10 11 15 This is just a guide focused on the major concepts make sure you read the assigned chapters Sample population distinction statistic parameter Sampling error Features of experimental non experimental and correlational studies comparison between them Discrete continuous variables IV DV Shape of distributions Extracting info from frequency regular and grouped tables graphs Mean median mode what they are when one is better than others as a measure of central tendency Characteristics of the mean Range Deviation scores SD and variance relationship between them Z scores meaning Standardizing a distribution M and SD Comparing scores across distributions Hypothesis testing Null and alternative hypotheses Critical region Type I and Type II Error Impact of sample size variability and mean differences on hypothesis testing Between Within subjects designs When to use independent samples t test When to use also comparison with related dependent samples t test Advantages disadvantages of independent samples over dependent related samples Hypothesis testing with t test independent and related dependent Null and alternative hypothesis with t test independent and related dependent Correlation Linear relationship Pearson s r meaning when to use Positive and negative r strength of the relationship statistical significance Null and alternative hypothesis for correlation Accuracy in prediction squaring r Hypothesis testing with r Identifying positive and negative correlations from graphs and description of studies What a scatter plot tells us data points that are clustered close to a line that slopes down to the right Uses of correlation validity reliability theory testing Issues in interpreting correlations correlation is not causation range restriction outliers accuracy variance explained Reading and interpreting SPSS output for all the tests analyses covered in class



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