Week 4 - Chapter problems

PSY/315

05/17/2011

Katherine Sainz

University of Phoenix

1. List the five steps of hypothesis testing, and explain the procedure and logic of

each.

Step 1: Specify the Null Hypothesis and theAlternative Hypothesis

In order to make a hypothesis test, the researcher needs to identify the problem in terms of a question that identifies the population of interest to the researcher, the parameters of the variable under investigation, and the hypothesized value of the parameters. The first step in hypothesis testing is to identify the nullhypothesis(H0) and thealternative hypothesis(H1). The null hypothesis is a statement of no effect, relationship, or difference between two or more groups or factors. The alternative hypothesis isthe statement that there...