kind | Diagnostic evaluation | Formative evaluation | Summative evaluation |
purpose | Reasonably place students, consider different treatment, and take remedial measures | Improve the learning process, adjust teaching programs, and promote student progress and development | Determine the final learning results and serve for screening and selection |
effect | Identification of learning readiness and identification of adverse factors so that "the right medicine" | Diagnose and analyze the teaching process, determine the teaching effect, and propose improvement measures | Assess academic performance |
Evaluation focus | Quality, process | learning process | Learning results |
Evaluation subject | teacher | Teacher, me, classmate | teacher |
comment content | Necessary prerequisite knowledge and skills, as well as students' physical, psychological and environmental factors | Language knowledge, language skills, emotional attitudes, learning strategies, cultural awareness | Knowledge, skills |
means | Analysis of specially prepared tests, student records and observation records | Daily observation, homework assessment, questionnaire survey, self-assessment / mutual assessment, interview, daily test, activity record, etc. | Exams (such as final or academic year exams, final exams, etc.) |
Implementation time | When a course or semester or school year begins | After the topic or unit teaching is completed, often | After a course or a course, generally 1-2 times per semester |
Evaluation results | Provide premise and foundation for teaching activities | Document whether the requirements are met, point out shortcomings, and make suggestions | Score |
main feature | Forward-looking | Forward-looking | Retrospective |