Supplemental Material for
The Effects of Unstructured Out-of-School Engagement in Science on Adolescents’ Vocational Interests, Occupational Aspirations, Competencies, School Grades, and Ability Self-Concepts
Thomas Gfrörer 
, Gundula Stoll , Sven Rieger , and Benjamin Nagengast Journal of Educational Psychology,
Vol.
116,
No.
5,
pp.
742–761
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