Social robots as effective language tutors for children: empirical evidence from neuroscience.

However, no significant difference was observed in the alpha band ( Mdn Robot = −0.001, Mdn Display = −0.019, U (39) = 151, p = 0.939), and the difference in the beta band was only marginally significant ( Mdn Robot = 0.003, Mdn Display = −0.004, U (39) = 273, p = 0.052). 3.4 Correlation between brain activity and language learning Children's learning performance on the post-interaction word recall test was slightly higher in the Robot group ( mdn = 0.839) as compared to the Display group ( mdn = 0.708), however this difference was not significantly different ( U = 146, p = 0.07).

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