Research Article

The Wooden Skull: An Innovation through the Use of Local Materials and Technology to Promote the Teaching and Learning of Human Anatomy

Table 4

Total aggregate score.

GroupObsMeanStd. Err.Std. Dev.(95% Conf. interval)

Active5073.321.74693712.3527169.809476.8306
Control4273.023811.76542111.4412369.4584776.58915
Combined9273.184781.23870211.8812270.7242575.64531
diff0.29619052.500407-4.6713055.263686

, , ; based on the above value of 0.55, there is no significant difference in performance of students exposed to human skull with the ones exposed to wooden skull in the overall exam. Note that the confidence intervals also overlap while the mean is also the same. Two-sample -test with equal variances.