Library and Information Science Commons^™

Reliability And Validity Of Michigan School Libraries For The 21st Century Measurement Benchmarks, Natosha Nicole Floyd

Wayne State University Dissertations

The purpose of this study was to examine the psychometric properties of the Michigan School Libraries for the 21st Century Measurement Benchmarks (SL21). The instrument consists of 19 items with three subscales: Building the 21st Century Learning Environment Subscale, Teaching for 21st Century Learning Subscale, and Leading the Way to 21st Century Learning Subscale. The sample consisted of 54 respondents who were administered the instrument in 2014 and 2015. Cronbach’s alpha for the total instrument was 0.807 (n = 19 items). Exploratory factor analysis (EFA) was used to measure construct validity. The findings derived from the EFA did not tend …

Measuring The Quality Of The Website User Experience, Jeff Sauro

Electronic Theses and Dissertations

Consumers spend an increasing amount of time and money online finding information, completing tasks, or making purchases. The quality of the website experience has become a key differentiator for organizations--affecting whether they purchase and their likelihood to return and recommend a website to friends. Two instruments were created to more effectively measure the quality of the website user experience to help improve the experience.

Three studies used Classical Test Theory (CTT) to create a new instrument to measure the quality of the website user experience from the website visitor's perspective. Data were collected over five years from more than 4,000 …