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Showing 11 - 12 results of 12 for Bartlett

Language proficiency over nonverbal sound effects in children's eBook incidental word learning
...Bartlett’s test of sphericity was significant, χ2(3) = 1088.87, p < .0001, supporting a factor analytic approach. An explorative factor analysis using Principal Components Analysis with Promax rota...

by He Sun, Adam Roberts, Jessica Tan, Jieying Leh, Yvonne Cui Yun Moh
in Volume 29 Number 3, October 2025 Special Issue: Multimodality in CALL

The effectiveness of Duolingo in developing receptive and productive language knowledge and proficiency
...Bartlett’s Test of Sphericity = Approx. Chi- Square, 976.78, df = 231, p < 0.001), and the normality of variables (visually inspected), were considered. We recognize the limitations posed by the mode...

by Bryan Smith, Xiangying Jiang, Ryan Peters
in Volume 28 Number 1, 2024