Ms. Hernandez is the instructional technology coordinator for a K-8 district. The district is introducing a Web-based grading system at the beginning of the school year. The system contains the following components. Teacher grade books Report cards and progress reports Parent communication portal The superintendent asks Ms. Hernandez to plan a process for evaluating the effectiveness of the system. Her initial plan is shown below. Ms. Hernandez' Evaluation Plan - DRAFT Evaluation Type Purpose of Evaluation Timeline Participants Interview To determine the extent to which the grading system is affecting student achievement After three months Representative teachers Questionnaire To identify problems operating the system After six months All staff Focus group To verify that the system has improved home-school communication After one year Parent sample, randomly selected Identify TWO aspects of either the type, purpose, timeline, or participants included in Ms. Hernandez' draft plan, and explain why they are unlikely to provide her with usable data. For EACH aspect, suggest a revision or replacement that will make that aspect of Ms. Hernandez' plan more effective in providing her with usable data