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

Table 2

Practical exam.

Group	Obs	Mean	Std. Err.	Std. Dev.	(95% Conf. interval)
Active	50	36.65	0.8742635	6.181977	34.8931	38.4069
Control	42	36.52381	0.8921116	5.781544	34.72215	38.32547
Combined	92	36.59239	0.6224292	5.970131	35.35601	37.82877
diff		0.1261905	1.256444	-2.369956	2.622336

, , ; based on the above value of 0.54, there is no significant difference in performance of students exposed to human skull with the ones exposed to wooden skull in a practical exam. Note that the confidence intervals also overlap while the mean is also the same. Two-sample -test with equal variances.