Qualitative and quantitative method development, Development psychology (Academic success., Educational choices., Intelligence., Personality development.), General psychology, Gerontopsychology (psychology of the elderly), Personality psychology (Personality models., Personality traits.), Psychology of thinking and problem resolution, Working/organisational psychology
Qualitative and quantitative method development, General psychology, Pedagogical psychology (Primary school organization, School-engagement), Personality psychology (Motivation, Self-Determination Theory), Social psychology