. 2009 Apr 22;24(6):721–726. doi: 10.1007/s11606-009-0983-z

Table 3.

Descriptive Statistics for Student-generated Evaluations: Average Number of Comments in Written Evaluation Provided to Lecturers (n = Number of Evaluations Analyzed per Time Point)

Comment analysis	A Pre n = 69		B Post (8 weeks) n = 174		C End (1 year) n = 225
	Mean	(SD)	Mean	(SD)	Mean	(SD)	P
Reinforcing global	0.99^a	(0.95)	0.75^a	(0.85)	1.17^b	(1.1)	0.<001
Reinforcing specific	2.87^a	(1.9)	2.29^b	(1.9)	1.88^b	(1.5)	0.<001
Corrective global	–*	–	0.097	(0.29)	0.15	(0.46)	0.129
Corrective specific	0.48^a	(0.99)	1.20^b	(1.7)	0.95^b	(1.5)	0.006
Total specific (sum of reinforcing and corrective specific)	3.35^a	(2.0)	3.49^a	(2.3)	2.8^b	(2.1)	0.008
Total global (sum of reinforcing and corrective global)	0.98^a	(0.9)	0.84^a	(0.86)	1.32^b	(0.46)	<0.001

Note: superscripts that differ are significantly different from each other in post-hoc tests

*There were no corrective global comments at time point A