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Systematic, quota, and snowball are all types of non-probability samples.

You give a copy of your marital satisfaction measure to people who are contemplating divorce and people who are happily married. People who are contemplating divorce score low on the measure, and people who are happily married score high on marital satisfaction. Your measure has good

Researchers look for patterns in the data after observing the situation and taking field notes

If a study is reliable, will it also be valid? Explain. – Yes – No – Perhaps

Dr. Draper investigated the relationship between the number of class periods students attended in his research methods course and the score on the final exam. He found that students who attended more classes received better grades than students who attended fewer classes. The independent variable was

Identify which is the dependent and independent variable.

Number of times you spanked your child in the last week

Which of the following would be the MOST HELPFUL strategy a researcher could use to find an article on a specific topic related to a subject in human development or family studies?

Here are some data: 2, 6, 2, 3, 6, 6, 4. The median of the data is 3.5.

An example of a probability sample would be