p-Values and Null Hypothesis Testing

This is the fourth video in a series on inferential statistics for PSY 200 and PSY 302. A p-value is the probability of getting a statistic this extreme, or more extreme, IF the null hypothesis were true. This video shows you how to go from a sampling distribution to a p-value, how to use alpha to decide whether to reject the null, and what a p-value does not tell you. For Video 1 on the Normal Distribution:    • Normal Distributions   For Video 2 on Sampling Distributions:    • From the Normal Distribution to Sampling D...   For Video 3 on Sampling Distributions and Statistical Inference:    • Sampling Distributions & Statistical Infer...