Exploring a technology-facilitated part-complete solution method for learning computer programming

Learning to program is now a requirement in many courses of study in such areas as computer science, information technology, information systems, multimedia. engineering, and science. However, research indicates that many students have great difficulties in learning to program and this results in high failure rates and high levels of withdrawal from academic courses. It is accepted that programming is an intrinsically difficult subject however the teaching and learning methods used in many programming courses have changed little over the years. The literature indicates the importance of reducing the cognitive load that students experience when learning programming and that one method that has potential to do this uses part-complete program solutions. This study sought to explore a technology supported part-complete solution method (TSPCSM) for the learning of computer programming. A teaching and learning framework for programming was developed and a technology supported “COde Restucturing Tool” CORT, was then designed around the learning framework and developed to support the part-complete solution method and provide a suitable learning environment. A quasi-experimental research design framework was utilised in the study which used both qualitative and quantitative research methods. A series of programming problems was developed for CORT and an experiment was undertaken with students who were studying introductory programming. Experimental and control groups were utilised in the experiment which took place over a 14 week semester at an Australian university The data were analysed and they provided rich information concerning three research questions relating to the part-complete solution method (PCSM) through CORT: how students engaged with CORT; how CORT supported the learning process; and how CORT impacted upon their learning outcomes. Results from the study indicated that the PCSM within CORT imposed a low cognitive load on students; provided high levels of cognitive support; strong scaffolding for learning; and students engaged well with the system and generally used a thoughtful and considered strategy to solving programming problems. No differences in learning achievement were found between the experimental and control groups, however other findings indicated that the students who used the PCSM within CORT required significantly less time and less help than the control group and the students who benefited most from the use of CORT appeared to have well developed mental models of program execution, More research is clearly needed to further explore the best ways to implement CORT so that learning advantages can be gained e solution method and provide a suitable learning environment. A quasi-experimental research design framework was utilised in the study which used both qualitative and quantitative research methods. A series of programming problems was developed for CORT and an experiment was undertaken with students who were studying introductory programming. Experimental and control groups were utilised in the experiment which took place over a 14 week semester at an Australian university The data were analysed and they provided rich information concerning three research questions relating to the part-complete solution method (PCSM) through CORT: how students engaged with CORT; how CORT supported the learning process; and how CORT impacted upon their learning outcomes. Results from the study indicated that the PCSM within CORT imposed a low cognitive load on students; provided high levels of cognitive support; strong scaffolding for learning; and students engaged well with the system and generally used a thoughtful and considered strategy to solving programming problems. No differences in learning achievement were found between the experimental and control groups, however other findings indicated that the students who used the PCSM within CORT required significantly less time and less help than the control group and the students who benefited most from the use of CORT appeared to have well developed mental models of program execution, More research is clearly needed to further explore the best ways to implement CORT so that learning advantages can be gained to solving programming problems. No differences in learning achievement were found between the experimental and control groups, however other findings indicated that the students who used the PCSM within CORT required significantly less time and less help than the control grou

Supporting student learning with digital audio: A low-tech approach

Advances in technology have made the use of digitized audio, often in the form of podcasts, more popular in recent years. The MP3 compression file format for such audio has become a defacto standard and the associated MP3 players are now ubiquitous. In the domain of eLearning, audio id perceived as a low-tech approach when compared with video technology. However such an approach can be useful as firstly, such audios can support mLearning as they can be listened to anywhere, and secondly, they are easy to produce for technology challenged instructors. This paper uses a teaching and learning framework as a basis for discussing how audio can support learning. It outlines some practical issues for instructors and students and provides suggestions for making the best use of audio. Some of the feedback obtained from online surveys that has been carried out with students at a university in Australia is utilised to support the discussion

Load compensation techniques using multi-tapped potentiometers

The theory is developed for loading error compensation techniques utilising multi-tapped potentiometers. Two methods of compensation are derived, and their relative advantages discussed. Design formulae are given for calculating appropriate values of the shunt resistors to be used in association with the tapped potentiometers. Numerical examples of each method are given

Wisdom in student assignments: Its operationalisation and manifestation

The paper examines the presence of knowledge-related wisdom in student assignments by applying the constructs of wisdom developed by researchers at the Max Plank Institute for Human Development in Berlin. They are factual knowledge, procedural knowledge, contextualisation, relativism, and uncertainty. Reciprocal instructor wisdom was operationalised as intellectual excellence, inter-personal skills and experience. The manifestations of wisdom were observed in the completion of a case study requiring students to analyse IT benefit management practices. The findings of the study indicated satisfactory to good levels of factual and procedural knowledge, high levels of relativism but low levels of contextualisation and dealing with uncertainty. Even though previous research has shown the presence of wisdom at an early age, the findings of this student-oriented study should be pleasantly surprising to most academics

Heat pipes for wing leading edges of hypersonic vehicles

Wing leading edge heat pipes were conceptually designed for three types of vehicle: an entry research vehicle, aero-space plane, and advanced shuttle. A full scale, internally instrumented sodium/Hastelloy X heat pipe was successfully designed and fabricated for the advanced shuttle application. The 69.4 inch long heat pipe reduces peak leading edge temperatures from 3500 F to 1800 F. It is internally instrumented with thermocouples and pressure transducers to measure sodium vapor qualities. Large thermal gradients and consequently large thermal stresses, which have the potential of limiting heat pipe life, were predicted to occur during startup. A test stand and test plan were developed for subsequent testing of this heat pipe. Heat pipe manufacturing technology was advanced during this program, including the development of an innovative technique for wick installation