- Article
Validity and Reliability of the Problem Solving Inventory (PSI) in a Nationwide Sample of Greek Educators
- Ntina Kourmousi,
- Vasiliki Xythali,
- Maria Theologitou and
- Vasilios Koutras
The Problem Solving Inventory (PSI) is designed to measure adults’ perceptions of problem-solving ability. The presented study aimed to translate it and assess its reliability and validity in a nationwide sample of 3668 Greek educators. In order to e...

