PSYC 2002 Lecture Notes - Lecture 5: Null Hypothesis, Statistical Power, Statistical Hypothesis Testing

• School: Carleton University
• Department: Psychology
• Course: PSYC 2002
• Professor: Donna Mailloux

Document Summary

Draw sample from known population (in a . See if sample is different from population. Offer treatment to those psychopaths and see if their treatment is different thus makes them different. is it effective or not. Specify, ie, they will feel higher levels of remorsefulness after receiving treatment. Alpha 0. 1: 1 percent of the area under the critical values of the regions. One tail test is better than a two tail test because they have more statistical power to find. It is always same as population. if reject it we say no, it is not right. if we. 2 tailed tests (nondirectional) something statistically different as we don"t have to share anything with another tail. p