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Integrated PBL-CBL-CTTM Teaching to Enhance Clinical Self-Efficacy in Endocrine Critical Illness Among Internal Medicine Residents: An RCT (PBL-CBL-CTTM)

28. August 2026 aktualisiert von: Jianyong Zhao, Chaohu Hospital of Anhui Medical University

Online-Offline Integrated Multimodal Teaching Combining PBL, CBL, and CTTM to Enhance Clinical Self-Efficacy in Endocrine and Metabolic Critical Illness Among Internal Medicine Residents: A Convergent Parallel Mixed-Methods Randomized Controlled Trial

This randomized controlled trial evaluates whether an integrated online-offline multimodal teaching approach combining Problem-Based Learning (PBL), Case-Based Learning (CBL), and Case Three-Dimensional Teaching Method (CTTM) improves clinical self-efficacy and hands-on proficiency in managing endocrine and metabolic critical illness among internal medicine residents, compared to traditional lecture-based learning (LBL).

Ninety internal medicine residents on their first endocrine rotation will be randomly assigned in a 1:1:1 ratio to three groups: (1) Control group receiving traditional LBL alone; (2) Experimental group 1 receiving PBL plus LBL; (3) Experimental group 2 receiving the integrated PBL-CBL-CTTM closed-loop teaching program. All groups receive a standardized 12-hour curriculum on endocrine and metabolic critical illness, including diabetic ketoacidosis, hyperosmolar hyperglycemic syndrome, thyroid storm, and refractory hypoglycemia.

The primary outcome is the clinical skills assessment score (0-50 points). Secondary outcomes include theoretical examination scores, General Self-Efficacy Scale (GSES) scores, a self-developed Endocrine High-Risk Management Self-Efficacy Source Questionnaire (four dimensions based on Bandura's self-efficacy theory), teaching satisfaction, and semi-structured focus group interviews.

The study was conducted from September 2025 to August 2026 at the Fourth Affiliated Hospital of Anhui Medical University, Chaohu, China. This study aims to establish an evidence-based, replicable teaching model that addresses the gap between theoretical knowledge and clinical confidence in managing endocrine emergencies among residents.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

90

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • China
    • Anhui
      • Chaohu, Anhui, China, 238000
        • The fourth affiliated hospital of Anhui medical university

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene

Akzeptiert gesunde Freiwillige

Ja

Beschreibung

Inclusion Criteria:

  • Full-time internal medicine residents undergoing their first endocrine rotation at the Fourth Affiliated Hospital of Anhui Medical University
  • No prior endocrine remedial training or advanced study experience
  • No independent management experience with endocrine and metabolic critical cases
  • Ability to complete all 12 hours of standardized curriculum and all post-intervention assessments
  • Voluntary participation with written informed consent

Exclusion Criteria:

  • Prior completion of an endocrine rotation or specialized endocrine training
  • Prior independent management experience in diabetic ketoacidosis, hyperosmolar hyperglycemic syndrome, thyroid storm, or refractory hypoglycemia
  • Inability to complete the full 12-hour teaching schedule due to clinical duties, leave, or rotation transfer
  • Concurrent participation in other teaching intervention research projects
  • Decline to provide written informed consent or withdrawal before randomization

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Sonstiges
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Single

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: Control Group (LBL Alone)
Received only in-person one-way didactic lectures (lecture-based learning, LBL) with self-directed review after class. No online discussions, ward-based training, CTTM resources, or post-class debriefing. Total 12-hour standardized curriculum on endocrine and metabolic critical illness. n=30.
Verhalten: Lecture-based learning (LBL)
In-person one-way didactic lectures with self-directed review after class. Total 12-hour standardized curriculum on endocrine and metabolic critical illness, including diabetic ketoacidosis, hyperosmolar hyperglycemic syndrome, thyroid storm, and refractory hypoglycemia.
Experimental: Experimental Group 1 (PBL+LBL)
Received pre-class online problem-based learning (PBL) via DingTalk (open-ended critical case questions, independent literature search, online group discussion) plus standardized in-person lectures (LBL), with self-directed review after class. No ward-based CTTM training or post-class debriefing. Total 12-hour standardized curriculum. n=30.
Verhalten: PBL plus LBL
Pre-class online problem-based learning (PBL) via DingTalk (open-ended critical case questions, independent literature search, online group discussion) plus standardized in-person lectures (LBL), with self-directed review after class. Total 12-hour standardized curriculum.
Experimental: Experimental Group 2 (Integrated PBL-CBL-CTTM)
Received integrated closed-loop teaching: pre-class PBL (identical to experimental group 1) plus standardized in-person lectures plus post-class ward-based case-based learning (CBL) with attending-supervised hands-on critical case training, case three-dimensional teaching method (CTTM) resources, and post-class debriefing. Total 12-hour standardized curriculum. n=30.
Verhalten: Integrated PBL-CBL-CTTM
Integrated closed-loop teaching: pre-class online PBL (identical to experimental group 1) plus standardized in-person lectures plus post-class ward-based case-based learning (CBL) with attending-supervised hands-on critical case training, case three-dimensional teaching method (CTTM) resources, and post-class debriefing. Total 12-hour standardized curriculum.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Clinical skills assessment score
Zeitfenster: Immediately post-intervention (upon completion of the 12-hour curriculum)
Assessed by group-blinded evaluators using a standardized clinical skills checklist immediately after the 12-hour intervention. Total score range: 0-50 points. Higher scores indicate better clinical proficiency in managing endocrine and metabolic critical illness.
Immediately post-intervention (upon completion of the 12-hour curriculum)

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Theoretical examination score
Zeitfenster: Immediately post-intervention
Closed-book written examination graded by blinded faculty. Total score range: 0-50 points, covering endocrine and metabolic critical illness knowledge.
Immediately post-intervention
General Self-Efficacy Scale (GSES) score
Zeitfenster: Baseline (pre-intervention) and immediately post-intervention
10-item standardized self-efficacy scale (Cronbach's α=0.89), completed anonymously. Higher scores indicate greater general self-efficacy.
Baseline (pre-intervention) and immediately post-intervention
Endocrine High-Risk Management Self-Efficacy Source Questionnaire score
Zeitfenster: Baseline (pre-intervention) and immediately post-intervention
Self-developed 4-dimension questionnaire based on Bandura's self-efficacy theory (mastery experience, vicarious learning, verbal persuasion, positive affect; Cronbach's α=0.81, CVI=0.92), completed anonymously.
Baseline (pre-intervention) and immediately post-intervention
Teaching satisfaction scale score
Zeitfenster: Immediately post-intervention
5-dimension teaching satisfaction scale (recognition rate and mean score), completed anonymously.
Immediately post-intervention
Focus group interview themes
Zeitfenster: Within 1 week post-intervention
Semi-structured focus group interviews (30-40 minutes each) with 24 residents selected via stratified purposive sampling, analyzed using Braun & Clarke six-step thematic analysis method. Explores residents' experiences and psychological mechanisms underlying changes in clinical self-efficacy.
Within 1 week post-intervention

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Chaohu Hospital of Anhui Medical University

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Tatsächlich)

1. September 2025

Primärer Abschluss (Tatsächlich)

28. August 2026

Studienabschluss (Tatsächlich)

28. August 2026

Studienanmeldedaten

Zuerst eingereicht

28. August 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

28. August 2026

Zuerst gepostet (Tatsächlich)

3. September 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

3. September 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

28. August 2026

Zuletzt verifiziert

1. August 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • KYXM-202508-021 (Andere Kennung: Ethics Approval Number)
  • AHWJ2025BAp20022 (Andere Zuschuss-/Finanzierungsnummer: Anhui Provincial Health Commission)

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Beschreibung des IPD-Plans

This is a medical education randomized controlled trial. All data were collected through anonymous questionnaires and blinded assessments, and all participant identifiers were removed at the time of data collection. No individual participant-level clinical data exist that could be shared. Aggregated study data are presented in the published manuscript.

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

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