Effects of learner control, advisement, and prior knowledge on young students' learning in a hypertext environment

This study was an investigation of the effects of learner control and of advisement in a hypertext learning environment with second-grade students who had different levels of prior knowledge about the content. Four treatment conditions crossing two variables, learner control (free access representing network structuring of hypertext vs. limited access representing hierarchical structuring of hypertext), and advisement (advisement vs. no-advisement), were established. From the quantitative and qualitative data, results indicated that: (a) for low prior knowledge (PK) students, the limited-access condition was more effective than the free-access condition, whereas high-PK students were able to function equally well in both conditions; (b) the free-access group reported a higher positive attitude for advisement than for no advisement, but the limited-access group showed no such difference in preference; (c) the low-PK group completed the lesson more quickly without advisement than with advisement, whereas the high-PK group's completion times did not vary across advisement conditions; and (d) analysis of the path data indicated that advisement was helpful in preventing disorientation in the free-access condition.

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