Psy230 Study guides, Class notes & Summaries

PSY230 LATEST EXAM WITH QUESTIONS AND ANSWERS ...

You conduct a z test using an alpha level of .05two-tail (zcrit = ± 1.96). The value of zobt = -1.5. Do you reject or retain the null hypothesis? - Retain the null hypothesis Mathematically, the power of an experiment is - the probability that the results of an experiment will allow rejection of the null hypothesis if the independent variable has a real effect. You conduct a sign test and find that the calculated probability is .067. You are using an alpha level of .05two-tailed. Given thi...

Mathematically, the power of an experiment is - the probability that the results of an experiment will allow rejection of the null hypothesis if the independent variable has a real effect. As the power of an experiment increases, the probability of making a Type II error ___________________. - decreases The hypothesis that claims the difference in results between conditions is due to the independent variable is the - alternative hypothesis This error is defined as a decision to retain the ...

PSY230 stats (exam 3 conceptual) NAU Dr. Weber Practice Questions and Answers (100% Pass) A Type I error is defined as - Answer️️ -a decision to reject the null hypothesis when the null hypothesis is true. You conduct a sign test and find that the calculated probability is .067. You are using an alpha level of .05two-tailed. Given this scenario, is the following statement true or false? Based on the decision rule, you should reject the null hypothesis and conclude that the independe...

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