Similarities:

1. Similar research fields: Zhang Dajun, Morey and Chen Qi are all experts in educational psychology, focusing on learning, education and mental health.

2. Similar research methods: Zhang Dajun, Morey and Chen Qi all use empirical research methods, statistical methods and various psychological tests and measurement tools to study educational psychology, and thus draw scientific conclusions.

3. Rich research results: Zhang Dajun, Morey and Chen Qi have made outstanding research results in the field of educational psychology, and published a large number of academic papers and monographs, which have had an important impact on promoting the development and practice of the discipline.

Difference:

1. Different research interests: Zhang Dajun's research interests mainly focus on learning motivation, cognitive strategies, emotions and personality; Morey's research interests mainly focus on learning achievement motivation, self-concept and self-esteem. Chen Qi's research interests mainly focus on dynamic evaluation and feedback in the learning process, self-regulating learning and learning strategies.

2. Different research methods and perspectives: Zhang Dajun pays more attention to quantitative research methods and experimental research, Morey pays more attention to qualitative research methods and case studies, and Chen Qi pays more attention to the use of mixed research methods, integrating quantitative and qualitative research methods, and discusses educational psychology from multiple angles.