PSY 07202 Study Guide - Quiz Guide: Statistical Hypothesis Testing, Statistical Significance, Type I And Type Ii Errors

• School: Rowan University
• Department: Psychology
• Course: PSY 07202
• Professor: lisa Abrams

Document Summary

Explain the difference between sampling with replacement and sampling without replacement. Explain what it means when a sample statistic is unbiased . Identify the measure of variability for the distribution of sample means. Calculate the standard error of the mean. Identify the 2 factors that will result in a smaller standard error (and define the law of large numbers) Use a sample mean to figure out the proportion of area under the curve above it/below it/in between 2 means. Explain the difference between a null and alternative hypothesis. Define level of significance in your own words. Identify the level of significance that is standard in behavioral science. Explain the difference between and type i and type ii error. Testing for significance: examples using the z test. Explain the difference between a nondirectional and directional test. Identify the rejection regions in a typical behavioral science study (nondirectional) Measuring the size of an effect: cohen"s d.