Appendix I.

Table 3.1 Sample size for selected institutions

University	Student population Approximate	Calculated minimum Sample size	Sample size used	1st Year	2nd Year	3rd Year	4th Year	5th Year
University of Nairobi	50,000	88	100	16	26	20	18	9
Kenyatta University	60,000	105	105	15	30	22	16	10
Jomo Kenyatta University of Agriculture and Technology	30,000	53	100	18	28	19	20	9
246+10%			305	49	84	61	54	28