As contributive to further research, researchers may be interested in singling out the various CR-BSI-reductive variables used in the multi-faceted programs and seeing the effect of CHG in contrast to the others. Note too, that a teaching / training program was the constituent of the two multi-faceted programs, whilst the study of the independent training program, in reality, also incorporated the other 2 programs in that participants were induced to practice instructions. On the other hand, some of the questions involving the study of the training program was that since it was a self-module it depended on voluntary motivation of individuals to complete modulus and one cannot know how many of them actually did or with what degree of concentration. The fact that their baseline and post-test examinations showed differences in results cannot be conclusively traced to effect of training program.

That all studies were nested can also be indicated...
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