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

Table 3

Oral exam.

Group	Obs	Mean	Std. Err.	Std. Dev.	(95% Conf. interval)
Active	50	14.66	0.35209	2.489652	13.95245	15.36755
Control	42	14.61905	0.3507953	2.273413	13.9106	15.32749
Combined	92	14.6413	0.2481809	2.380468	14.14832	15.13429
diff		0.0409524	0.500991	-0.9543536	1.036258

, , ; based on the above value of 0.53, there is no significant difference in performance of students exposed to human skull with the ones exposed to wooden skull in an oral exam. Note that the confidence intervals also overlap while the mean is also the same. Two-sample -test with equal variances.