Which of the following factors influence the effectiveness of support material?

Clarity, appropriateness for the learner's level, and relevance to objectives determine how effective support material is.

Statement 1, clarity and comprehensibility, ensures learners can understand the material easily.

Statement 3, fit with the learner's age and level, keeps the material neither too easy nor too hard.

Statement 1V, relevance to the learning objectives, ties the material to intended outcomes.

Statement 2, mere quantity of material, does not improve effectiveness and can overload learners.

Quality, alignment and appropriateness outweigh sheer volume in instructional material.