Systematic Error: Methodological and Sampling Errors
Cross-Sectional Research
Surveys
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Longitudinal Research
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Jul 6, 2026

Qualitative and Quantitative Validation of Tools with Rating Scales Aimed at Assessing the Quality of University Service-Learning
Published on: August 29, 2025
Hsin-Ling Hung1, James W Altschuld, Yi-Fang Lee
1Evaluation Services Center, University of Cincinnati, PO Box 21015, One Edwards Center, Cincinnati, OH 45221-0105, USA.
This study details challenges in electronic Delphi surveys for educational program evaluation (EPE) in the Asia-Pacific region, offering solutions for future research.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: