Collect and analyze data on an adequate and representative sample of candidates and can be confident that their achievement is a result of the skills measured
in the examination and not influenced by factors like L1, country of origin, gender, age, and ethnic origin.
Item-level and task-level data (e.g. for computing the difficulty, discrimination, reliability, and standard errors of measurement of the examination) is collected from an adequate sample of candidates and analyzed.
do some charts and numbers showing the proportions of females and males who passed the exam and those who failed ( I will attach the passing grade of every exam).
16 freelancer chào giá trung bình$170 cho công việc này
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