Research Methods and Statistics for Psychology
Because psychology researchers do not design and carry out investigations without considering both how the data will be collected and how it will be analyzed, this text does not artifically separate statistics and research methods as do most texts currently available.
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ETHICAL DILEMMAS 3 I
ETHICAL TREATMENT OF ANIMAL SUBJECTS
QUESTIONS AND EXERCISES
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alternative hypothesis ANOVA appropriate asked B L E behavior between-subjects design bias C O N C E C O N C E PT caffeine caffeine condition calculated chapter class interval Cohen's kappa column compared conducted confounds control group correlation degrees of freedom dependent determine deviation scores difference error variance ethical example experiment experimental group extraneous variable F-ratio factor feedback formula frequency distribution gender graph group of subjects independent variable interaction internal validity interobserver reliability investigation involves levels mail survey median negative normal distribution null hypothesis number of scores observational study occur operational definitions participate population mean presented procedure psychology random randomly ranks ratio scale region of rejection reject the null represents research project sample mean sampling distribution scale of measurement scientific Spearman's rho standard deviation statistical summer program students t-test Table theory tion Tukey's HSD two-group Type II error within-subjects design words z-score