Exam 16: Appendix E: Using Theory to Generate Research Hypotheses

If the null hypothesis is true, the standard error of the mean serves as a rough indicator of the average amount by which a control group mean would be expected to deviate from

If scores in a distribution are not normally distributed, then

A nominal scale of measurement is used when numbers represent categories.

If you have a matched pairs design, you should analyze your data using

The standard deviation is the most common estimate of variability within a population.

If you have 20 participants in a matched pairs design, you will have ___ degrees of freedom.

The symmetrical bell-shaped figure used to represent the frequency distribution of many physical and psychological characteristics is called a

If you have 9 participants and 3 groups, your df total would be

Given that the population standard deviation equals 40 and that the sample consists of 25 observations, the standard error of the mean equals

If you have 9 participants and 3 groups, your df between would be