The purpose of this study is to examine the potential of using computer databases as cognitive tools to share learners' cognitive load and facilitate learning in a multimedia problem-based learning (PBL) environment designed for sixth graders. Two research questions were: (a) can the computer database tool share sixth-graders' cognitive load? and…

This article reports on a case study conducted to examine the instructional strategies utilized, teacher and student attitudes, and student achievement when a sixth-grade teacher and her 19 students implemented a hypermedia, problem-based learning unit. Results revealed that the teacher used questioning, peer support, group and individual…

This study examined the effect of a computer-enhanced problem-based learning (PBL) environment on middle school students' learning, investigating the relationship among students' self-efficacy, attitude toward science, and achievement. As Bandura defined it (1986), self-efficacy refers to the beliefs people have about whether or not they can…