Research Questions LITERATURE REVIEW

3. Development Stage In this development stage, the activities carried out are: a. Products Making Based on product design, the product was printed. All components that have been prepared at the design stage assembled into a single entity with a unified product support tools in the game of chess. b. Product Validation Stage I At this stage, the initial product is validated by material expert and media expert. The results of the validation form of suggestions, comments, and feedback serve as the basic for revising the product of stage I of the products developed. c. Product Revision Stage I At this stage, the product was revised based on suggestions, comments, and feedback given by the media expert and material expert on the product validation stage I. d. Product Validation Stage II At this stage, the product is validated by the Accounting learning practitioners using questionnaires that have been made previously. The results of the validation form of suggestions, comments, and feedback serve as the basis for the revision of the product phase II products are developed. e. Product Revision Stage II At this stage, the product was revised again based on suggestions, comments, and feedback given by the Accounting learning practitioners. The revised product will then be used for the implementation stage to the students as the target use of the product. 4. Implementation Stage In the implementation stage, the activities carried out in the form of: a. Field trials At this stage, the product tested to class XI AK2 in SMK Negeri 4 Klaten. b. Observing the responsesopinions of students At this stage, distributed questionnaires student opinion regarding the use of instructional Accounting Chess learning media. c. Revision III Revision stage III based on feedback and suggestions from students. However, the inputs and suggestions from the previous validators are also considered to avoid the conflict with previous improvements. 5. Evaluation Stage In the evaluation stage, the activities undertaken include: a. Analysis of data from the product validation