1. 2020
  2. Privater Nachhilfeunterricht und Lehrkräftefortbildung am Ende der Grundschulzeit

    Guill, K. & Wendt, H., 12.2020, TIMSS 2019: Mathematische und naturwissenschaftliche Kompetenzen von Grundschulkindern in Deutschland im internationalen Vergleich. Schwippert, K., Kasper, D., Köller, O., NcElvany, N., Selter, C., Steffensky, M. & Wendt, H. (eds.). Münster: Waxmann, p. 209-221

    Research output: Chapter in anthology/conference proceedingContribution to collected edition/anthologyResearch

  3. Qualität der Hausaufgabenhilfe in Elternhaus, Schule und Nachhilfeunterricht [Editorial]

    Guill, K., 10.2020, In : Psychologie in Erziehung und Unterricht. 67, 4, p. 241-242 2 p.

    Research output: Contribution to journalOther (editorial matter etc.)Research

  4. Qualität der Hausaufgabenhilfe in Elternhaus und Nachhilfeunterricht als Prädiktoren des hausaufgabenbezogenen Arbeitsverhaltens

    Guill, K., Bahr, I. & Ömeroğullari, M., 10.2020, In : Psychologie in Erziehung und Unterricht. 67, 16 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Pädagogische und didaktische Anforderungen an die häusliche Aufgabenbearbeitung

    Köller, O., Fleckenstein, J., Guill, K. & Meyer, J., 16.06.2020, In : Die Deutsche Schule : DDS. 2020, Beiheft 16, p. 163-174

    Research output: Contribution to journalJournal articleTransfer

  6. Assessing the instructional quality of private tutoring and its effects on student outcomes: Analyses from the German National Educational Panel Study

    Guill, K., Lüdtke, O. & Köller, O., 05.2020, In : British Journal of Educational Psychology. 90, 2, p. 282-300 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Effectiveness of private tutoring during secondary schooling in Germany: Do the duration of private tutoring and tutor qualification affect school achievement?

    Ömeroğullari, M., Guill, K. & Köller, O., 01.04.2020, In : Learning and Instruction. 66, 23 p., 101306.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. A two-level study of predictors of private tutoring attendance at the beginning of secondary schooling in Germany: The role of individual learning support in the classroom

    Guill, K., Lüdtke, O. & Schwanenberg, J., 04.2020, In : British Educational Research Journal. 46, 2, p. 437-457 21 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. 2019
  10. Language in science performance: Do good readers perform better?

    Cruz Neri, N., Guill, K. & Retelsdorf, J., 11.12.2019, In : European Journal of Psychology of Education. 17 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  11. Private tutoring when stakes are high: Insights from the transition from primary to secondary school in Germany

    Guill, K. & Lintorf, K., 03.2019, In : International Journal of Educational Development. 65, p. 172-182 11 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. 2017
  13. Academic tracking is related to gains in students’ intelligence over four years: Evidence from a propensity score matching study

    Guill, K., Lüdtke, O. & Köller, O., 02.2017, In : Learning and Instruction. 47, February 2017, p. 43–52 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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