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Diplom-Psychologe
Marius
Janßen
Current affiliations
Professorship for Psychology of Learning in Education and Instruction (Prof. Dutke)
Publications
COVID-19: Effects of Pandemic Related Restrictions on Physical Activity, Screen Time, and Mental Well-being in German adolescents.
Marckhoff, M; Siebald, M; Timmesfeld, N; Janßen, M; Romer, G; Föcker, M;
(2022)
In:
Zeitschrift für Kinder- und Jugendpsychiatrie und Psychotherapie
, 50
(4)
Type of Publication: Research article (journal)