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Determining Grades

Determining Grades. created for ETR 430 by Lisa M. Mehlig COE/NIU. I’ve measured, so now what?. Scales Criterion-referenced Consistent band-width distribution on a percentage scale Standard Scale Adjusted Scale Curves Norm-referenced Based on a distribution of scores Normal Curve

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Determining Grades

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  1. Determining Grades created for ETR 430 by Lisa M. Mehlig COE/NIU

  2. I’ve measured, so now what? • Scales • Criterion-referenced • Consistent band-width distribution on a percentage scale • Standard Scale • Adjusted Scale • Curves • Norm-referenced • Based on a distribution of scores • Normal Curve • Visual Inspection Method (Sculpted Curve/Gap Method)

  3. What to record in grade book? • Letter grades • Percentage correct • Raw scores • Pass/fail • Checklist • Descriptions

  4. What is the purpose of grades? • Keep students informed • Keep parents informed • Administrative purposes • Class rank, graduation, honors, athletic eligibility, transcripts • Guidance purposes • Vocational choices, college choices, identify potential personal problems

  5. Determining Report Card Grades • Select what to include in the final grade • Tests, papers, projects, assignments, homework, participation, effort, improvement • Consider overall learning goals • Select weights for each assessment • Combine weighted scores to determine a single grade

  6. Methods of Determining Report Card Grades • Eyeball Method • Lacks objectivity • Address the whole over each part • Recognizes need for teacher professional judgment in giving grades

  7. Methods of Determining Report Card Grades • Total Points Method • Based on recorded raw data • Add total points for all relevant assessments to get total • Points can be assigned to determine weight of assessment • Compare total points to a predetermined scale

  8. Methods of Determining Report Card Grades • Percent Correct Method • Demonstrates a level of objectivity • Convert each score or grade to the same scale (percentage) • Weighted Method • Based on criteria (objectives or assessments) • Calculate a percentage for each criteria • Multiply the percentage by the pre-determined weight • Sum the products of each for overall grade

  9. Sample Calculation of Weighted Grades from Grading Activity • STEP 1: Determine which assessments fit into which weighted criteria • Writing • Persuasive Essay and Revision • Research, Research Paper Draft 1 and Revision • Book Report • Novel • Novel Questions • Novel Vocab. • Novel Quiz

  10. Sample Calculation of Weighted Grades from Grading Activity • STEP 1: Sum Total Points and Student’s Points for each weighted criteria

  11. Sample Calculation of Weighted Grades from Grading Activity • STEP 2: Calculate a percentage for each weighted criteria • For each criteria, divide Student’s Points by Total Points For the Writing criteria: 123/150 = .82 Do this for all criteria Book Report = 32/40 = .80 Novel = 98/105 = .933

  12. Criteria Percentage From Previous Calculation Sample Calculation of Weighted Grades from Grading Activity • STEP 3: Multiply percentage for each weighted criteria times the weighting percentage Writing = .82 X .45 = .369 Book Reports = .80 X .15 = .120 Novel = .933 X .40 = .373

  13. Sample Calculation of Weighted Grades from Grading Activity • Sum all the products to determine overall grade • may multiply by 100% if easier to interpret • compare against scale Writing = .82 X .45 = .369 Book Reports = .80 X .15 = .120 Novel = .933 X .40 = .373 .862 .862 x 100% = 88.2% Using a Standard Scale, Student X earns a B.

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