ITB Journal-May-2003 - Institute of Technology Blanchardstown

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ITB Journal Area 2. As each line of code is executed a "feedback" message is displayed indicating what action is being performed. Area 3. Area where user enters their Java code to create and populate the array. Basic controls to Step through a users code, execute a users code or create a new program are also provided. 5. Survey results and Analysis This section provides an analysis of the survey results to attempt to draw conclusions as to the effectiveness of the E-Learning prototype and any contributions it may have made to enrich the learning experience of the students. The questionnaires were designed to ascertain the general group level of knowledge and understanding within each distinct Array concept. The results of these groups can then be compared against each other to determine what effect if any the E-learning tool had on the student group who used the prototype. The tool may have had a positive, negative or null effect on the students learning experience. Before the study began, the previous performance of the two classes was noted by analysing the results of the practical in lab Continuous Assessments that they had recently completed and being graded on. The calculations used the average results that were gained and average performance of each group is summarised below. Group1 (No Prototype) Group2 (With prototype) Assessment # 1 74.47% 61.85% Assessment # 2 62.78% 58.38% Overall Average % 68.63% 60.12% This average percentage was used to determine a relative performance difference between the two groups initially, so that this difference could be taken into account after the study had been completed. The first questionnaire was given to the students after the concept of array declaration and initialisation had been covered. The questionnaire contained a set of multiple choice (closed questions) and open-ended questions such as “Write code to declare and initialise a 5 element integer array called myArray” “Describe what an ‘Array’ is in your own words?” Issue Number 7, May 2003 Page 46
ITB Journal The second and third questionnaires were distributed during and after the concept of array manipulation. These questionnaires also contained sets of multiple choice and open-ended questions such as “What is the output to the screen if the following code is executed" int [] MyArray = {1,2,3,4,5}; for (int i=0;i
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ITB Journal-May-2003 - Institute of Technology Blanchardstown

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