In a climate of continual change and innovation, lifelong learning is a critical professional development objective which has a direct impact on organizations' effectiveness and ability to compete and innovate. To help learners continually upgrade their skills and knowledge so they can effectively address emerging organizational and professional…

A weak negative attitude towards learning science was noticed among the students in Qatar, a matter that was reflected on their achievement in national tests. To test if the use of PBL would improve the students' attitudes towards learning science, a sample of 25 nine graders from Hamza school were motivated to plan their own investigations and to…