Instructor body posture affects students' perceived instructor communion on both the vertical and the horizontal dimension¶

Claim · All claims
Evidence · 1 study (2 entries) · causal r3 · q3 · i1 small
Currency · newest study 2024 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i1 In the pilot experiment, perceived communion was significantly affected by both posture dimensions, with the strongest difference between the high and low power conditions. → Traulsen 2024 q3 i1 In the preregistered experiment, perceived communion showed significant vertical, horizontal, and interaction effects, revealing the strong influence of the horizontal dimension. → Traulsen 2024 (2)

Evidence¶

Traulsen 2024¶

Traulsen, S. J., & Zander, L. (2024). Straighten your back, open your arms! Effects of instructor's body postures in educational videos on students' interest and motivation. Learning and Instruction. https://doi.org/10.1016/j.learninstruc.2024.101959

q3 · i1 · causal · r3

Pilot experiment, 2×2 ANOVA on perceived communion (α = .92); both dimensions significant (partial η2 = .021 and .056), no interaction, and communion lowest in the slumped/closed condition.

"Perceived communion was significantly affected by the vertical dimension, F (1, 190) = 3.996, p = .047, partial η2 = .021, and the horizontal dimension, F (1, 190) = 11.304, p < .001, partial η2 = .056."

Traulsen 2024 (2)¶

Traulsen, S. J., & Zander, L. (2024). Straighten your back, open your arms! Effects of instructor's body postures in educational videos on students' interest and motivation. Learning and Instruction. https://doi.org/10.1016/j.learninstruc.2024.101959

q3 · i1 · causal · r3

Preregistered experiment with 434 students; both main effects significant (partial η2 = .021 and .128) plus a significant interaction (partial η2 = .036), with the largest pairwise difference involving slumped/closed.

"there were significant main effects of the vertical dimension, F (1, 430) = 9.087, p = .003, partial η2 = .021, and the horizontal dimension, F (1, 430) = 63.046, p < .001, partial η2 = .128, on perceived communion."

Discussion¶

Related Claims¶

• Instructor body posture affects students' perceived instructor agency, mainly through the vertical dimension — related
• An instructor's upright versus slumped and open versus closed body posture in an educational video affects students' perceived instructor enthusiasm on both dimensions — related
• Instructor body posture affects students' liking of the instructor on both dimensions and their interaction, mainly driven by the slumped/closed condition — related
• Instructor body posture shows no direct effects on students' situational interest, but indirect-only mediation effects through perceived enthusiasm — related
• Instructor body posture shows no significant main or interaction effects on students' motivation, though pairwise contrasts favour conditions over slumped/closed — related