- Subject index
Bridging an understanding of Statistics and SPSS.
“The text is written in a user-friendly language and illustrates concepts that would otherwise be confusing to beginning students and those with limited computer skills.”
-Justice Mbizo, University of West Florida
This unique text helps students develop a conceptual understanding of a variety of statistical tests by linking the ideas learned in a statistics class from a traditional statistics textbook with the computational steps and output from SPSS. Each chapter begins with a student-friendly explanation of the concept behind each statistical test and how the test relates to that concept. The authors then walk through the steps to compute the test in SPSS and the output, clearly linking how the SPSS procedure and output connect back to the conceptual underpinnings of ...
Chapter 14: Psychometrics
Conceptual Background of Psychometrics
Many research studies in the social sciences include questionnaire-type data. Accordingly, one motivation underlying the use of a psychometric analysis is to explore the psychometric properties of one's measures in a particular sample. In other words, a researcher may be keenly interested in exploring item means and variances, as well as scale score properties such as total test score mean and variance, and test score reliability in his or her particular sample. More ambitiously, a researcher may be considering developing a new measure of a psychological construct and may have administered items to a pilot sample. In this case, the investigator is keenly interested in whether ...