Chapters 1-5, 7-11, 16-19

2. way of looking at natural phenomena-a worldview-that encompasses a set of philosophical assumptions and that guides one's approach to inquiry
5. power analysis builds on this concept, expresses the strength of relationships among research variables
7. measure of variability or dispersion, equal to the standard deviation squared
8. value that lies outside the normal range of values on a measure, especially in relation to other cases in a data set
10. degree to which the subparts of a composite scale are interrelated and are all measuring the same attribute or dimension
11. bond or a connection between two or more variables
15. statistical procedure for understanding the effects of two or more independent(predictor) variables on a dependent variable
17. process of preventing those involved in a study from having information that could lead to a bias

1. collection of data prior to the experimental intervention
3. threat to the internal validity of the study that can arise if the researcher changes the measuring instrument between two points of data collection
4. communication with the study participants after participation is complete regarding aspects of the study
6. deliberate repetition of research procedures in a second investigation for the purpose of assessing whether earlier results can be confirmed
9. statement of specific query the researcher wants to answer to address a research problem
12. ability of a design or analysis strategy to detect true relationships that exist among variables
13. quality criterion referring to the degree to which inferences made in a study are accurate and well-founded
14. important term used to search for references on a topic in a bibliographic database and used by authors to enhance likelihood that their report will be found
16. framework for asking well-worded questions and for searching for evidence