Differences in family background, together with the cultural mix partly occasioned by change of immigration patterns, required teaching behaviour and content appropriate to a more heterogeneous school population.
In St Kitts and Nevis the educational programme tracks students into classrooms within schools providing a more heterogeneous school environment, while the educational system of St . Vincenttracks students into schools but not within classes in the schools.
A common practice to reduce heterogeneity in growth performance is regular grading during rearing, where heterogeneous fish schools are size-sorted into more homogeneous groups that are harvested at different times.
Our group was heterogeneous for schooling and other socio-economic variables.
The heterogeneous nature of school children, schools and administrative structures was taken into account in sample size calculation.
The settings of the studies, carried out over four decades, were heterogeneous, ranging from suburban schools 23455170 70 to military barracks, 49 64 intensive care units, and paediatric wards 61 68 in high income countries; slums in low income countries 20; family units in China 29; travellers in Taiwan 53; and day care centres for children with special needs with a high teacher to pupil ratio.
In order to derive more conclusive observations, it is recommended that this pilot study could be carried out over time, prior and after board exams and with more numbers of students from heterogeneous background such as different schools (public and self-financed schools), living area, and family conditions.
Although he finds a small improvement in reading performance, the effect is quite heterogeneous and depends on school characteristics.
However, those early literature reviews emphasized the heterogeneous process of early school leaving and the need to consider the interplay of multiple factors.
Most estimates of the cost of early school leaving focus on the cost borne by the average school leaver, thereby ignoring that early school leavers are heterogeneous, for instance because they differ in their early life conditions.
