Should the PBL tutor be present? A cross-sectional study of group effectiveness in synchronous and asynchronous settings

Table 5 Psychometric evaluation of the TGEI

Subscales	Homogeneity (Coef. H)	Cronbach’s alpha	Number of items	Number of cases^a
Cognitive aspects	0.41	0.80	7	218
Motivational aspects	0.38	0.79	7	211
Demotivational aspects	0.40	0.73	5	221
Total TGEI^b,	0.17	0.78	20	197

^aIncomplete cases discarded for each scale
^bIncluding the single ov;erall productivity rating item. Negative worded items 15–19 reversed

ISSN: 1472-6920