Increasing Quality Test Ability of Vocational School Students of Agribusiness of Processing Agricultural Products through Virtual Laboratory Development as a Solution of Limitation the Facilities

Abstract

One of the competencies that must be possessed by Vocational School students of Agribusiness of Processing Agricultural Products is having the ability to carry out quality tests. Quality testing cannot be separated from the competency of processing agricultural products because agricultural materials and agricultural-based products contain components of nutrients such as minerals, carbohydrates, fats, proteins, vitamins and other components. In addition, food and agricultural products may also contain dangerous components such as mercury. Quality testing has many important roles for the food industry. However, Vocational School of Agribusiness of Processing Agricultural Products is not equipped with facilities to conduct proper quality tests. Based on several studies that have been conducted, the virtual laboratory that was developed can provide an overview of quality test procedures that have not been able to be carried out in Vocational High School of Agribusiness of Processing Agricultural Products. Virtual laboratories design were developed by following the R & D method and validated by an expert in learning media based on ICT (Information Communications Technologies) and an expert content and language. The content and language validation is done by a teacher of Agribusiness of Processing Agricultural Products. Based on the results of validation and large-scale trials, it was found that the virtual laboratory developed was very feasible to be used in the learning process.