Operational Definition of Variable

video. It has a concept that learning does not always use conventional method, but by implementing video, students will be interesting to join the learning process. 2. Design a. Making assessment instruments for the quality of the video The instrument used to assess the quality of the learning media is a questionnaire containing an assessment toward the learning media. In this stage, the researcher made a blueprint of product assessment questionnaires. The product assessment instruments of this research were questionnaires for the material expert, media experts, accounting teacher and students. b. Making assessment instruments for students‟ learning achievement Instruments used to assess students‟ learning achievement before and after the action implementation were pretest and posttest. c. Making flowchart Flowchart is made to support a program, especially that in the computer. d. Designing a product storyboard In designing the product, it needs a design sketch to picture the media making. The sketch is drawn in a storyboards. Storyboard is a design to describe functions used. It is a thought that is visualized, described through written forms and designed in a narration. In making a written storyboard, this stage includes drafting, writing and revising storyboard and presentation, animation, graphics, music and validating them. In preparing a script, it consists of narration, instruments, and animation of the video. e. Arranging materials, questions, and answers of the video Materials, questions, and answers of adjustment entries of service enterprises in this learning media were taken and adapted from various references. 3. Development a. Producing a product: video as learning media In this stage, the video was created as the determined format, such as: 1 Producing video and audio, presentation, animation, graphics, music, narration, and supporting instruments were made. 2 Programming the materials, this stage is a compilation stage of the developed materials including the application of the product. 3 Preparing supporting components b. Validation by the material and media experts Validation was done by the material and media expert. The results were suggestions, comments and feedbacks that later can be used as a guideline to analyze and revise the developed learning media and try out the product to students. c. Validation by the accounting teacher Validation was done by the Accounting teacher of grade XI IPS of SMA N 1 Karangdowo. The results were suggestions, comments and feedbacks that later can be used a guideline to analyze and revise the developed learning media and try out the product in the experiment class. d. Validation by the students It was done by some students of grade XI IPS of SMA N 1 Karangdowo. The results were suggestions, comments and feedbacks that later can be used a