Effectiveness of computer assisted instruction on knowledge of the care after cardiac surgery in PICU among mothers of children under 12 years

A pre-experimental study to assess the effectiveness of computer assisted instruction on knowledge of the care after cardiac surgery in PICU among mothers of children under 12 years in selected hospitals at Chennai. The conceptual framework of the study was developed on the basis of Ludwig Yon Bertalanffy(1968) general system theory model .The study variable was mothers of children under 12 years of age. An experimental research approach with pre – experimental pre and post test design was used to achieve the objectives of the study .The study was conducted in MIOT hospitals at Chennai, with a sample size of 30 mothers of children under 12 years. The samples were selected through non – probability convenient sampling technique. The investigator used a demographic variable performa and with a structured questionnaire on knowledge of the care after cardiac surgery in PICU among mothers of children under 12 year to collect the data. The data collection tools were validated and reliability was established. The data was collected by using a self administered questionnaire method. After the pre test computer assisted instruction was administered to the mothers of children under 12 year and the post test was done after 7 days. The demographic characteristics revealed that most of the participants were in the age group of 26-30 years. It was noted that majority of the participants 27 (90%) had moderate knowledge and 3(10%) had inadequate knowledge, in the pre test where as in the post test none of them had inadequate knowledge and majority of them gained adequate knowledge with the mean score of 86.7 %. It was also noted that there was a significant improvement in the post test mean score which were highly significant at P