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TESOL 505 Week 1 Individual Assignment Reliability and Validity Worksheet

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1. Miss Tompkins gave the same English grammar assessment to her students twice, once on Monday and then two weeks later. Her students scored almost exactly the same on both tests. Why does this assessment seem reliable? 2. Mr. Lucas wrote two forms of the same test. Each form had different questions. He gave Form 1 to half his students and Form 2 to the other half. The students taking Form 1 scored 11 percentage points higher than those taking Form Why does this assessment seem unreliable? 3. Mr. Sorza gave a multiplication test to his students once a month. Each month he was surprised when a different group of students scored well. Why does this assessment seem unreliable? 4. Mrs. McCarlson is testing her physical education student’s vertical leap. She will be using a yardstick and taking the average measurement from 3 jumps per student. Why does this assessment seem reliable?   1. Miss Lund graded her students on a semester exam that only included content they had covered during the last five weeks. Why doesn’t this assessment seem valid? 2. Mr. Bach’s 4th grade students scored almost the same on his end-of-year math tests as they did on the statewide math tests. Why does this assessment seem valid? 3. Mr. Lee gave true and false geography tests to his students to determine the three students who might do well in the geography bee. The three students who did the best were eliminated in the first round. Why doesn’t this assessment seem valid? 4. Ms. Kwan’s objective is to determine if her students are able to identify the correct use of a vocabulary word. She provides her students with the definition of the word along with 4 separate sentences containing the word. Based on the definition provided, students must select which sentence uses the vocabulary word correctly. Why does this assessment seem valid?

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