Alternate Choice Test Items - PowerPoint PPT Presentation

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Alternate Choice Test Items

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... the extent to which a test item differentiates between students who do well and those who do not do well Quantitative Item Analysis The Discrimination Index ... – PowerPoint PPT presentation

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Title: Alternate Choice Test Items


1
Alternate Choice Test Items
  • Easy to write (?), easy to grade, guessing is
    high
  • Good alternate choice tests are actually
    difficult to write
  • Many objectives can be tested quickly
  • Write items definitely
  • Use short statements
  • Avoid absolutes (always, all, never, only)
  • Alternatives tend, generally, usually
  • You may require revision of false statements
    (underline revise)

2
Alternate Choice Test Items
  • Trick questions are seldom appropriate
  • Avoid double negatives
  • Highlight or emphasize negatives
  • Avoid double-barreled items
  • Write approximately equal numbers of each
    alternative
  • Keep statements the same approximate length
  • Avoid a systematic order
  • Avoid taking statements directly from the text
    and placing them out of context
  • Use other symbols other than T/F, G/O, O/Q, N/M

3
Alternate Choice Test Items
  • T F - High IQ children always get high grades
    in school
  • Guns should not be outlawed unless they are never
    fired
  • The Duroc is a red breed of swine with erect ears

4
Matching Test Items
  • Easy to grade
  • Appropriate for associations between facts
  • Emphasize facts and memorization
  • Problems when using many scan sheets
  • Keep the list and descriptions short (8-12)
    homogeneous
  • Arrange in a logical order

5
Matching Test Items
  • Use plausible distractors
  • Descriptions should be in the left column and
    longer
  • Lists should be in the right column and short
    phrases, words, or symbols
  • Descriptions should be numbers, lists lettered
  • Include more options than descriptors instruct
    as such

6
Completion Test Items
  • Easy to write, easy to grade, guessing is low
  • Many answers could be correct
  • Refer to alternate choice rules
  • Avoid grammatical clues
  • Write items so there is a single word answer
  • A question is usually better
  • Omit only key words from statements
  • Avoid awkward sentences
  • Word so that the blank is near the end of the
    sentence

7
Essay/Short Answer Test Items
  • Easy to write, bears to grade, guessing is low,
    bluffing is high
  • Also measure communication skills
  • Write the items for specific answers
  • Grade on evidence instead of opinion
  • Avoid giving students options in answering
  • Establish reasonable time page limits
  • Grade using a scoring scheme
  • Rubric

8
Multiple Choice Test Items
  • Hard to write, easy to grade, guessing is
    reasonable
  • Like alternate choice, items can become tricky
  • Use longer stems than choices
  • Use only one correct answer
  • Use plausible distractors
  • Avoid grammatical clues double negatives
  • Avoid negative statements
  • If used emphasize the negative
  • Include 4-5 options Put in logical order
  • Avoid None of the Above and All of the Above

9
Multiple Choice Test Items
  • Red pigs with droopy ears are __________
  • A. Hampshire
  • B. Yorkshire
  • C. Duroc
  • D. Hard of hearing
  • E. None of the Above
  • F. All of the Above

10
Quantitative Item Analysis
  • A numerical method for analyzing test items
    (usually alternate choice, matching, or multiple
    choice)
  • Difficulty Index (P) The proportion of students
    who answered the item correctly
  • Discrimination Index (D) Measure of the extent
    to which a test item differentiates between
    students who do well and those who do not do well

11
Quantitative Item Analysis
  • The Discrimination Index
  • Positive Those who did well chose the correct
    answer more than those who did poorly
  • Negative Those who did poorly chose the correct
    answer more than those who did well
  • Zero No discrimination between those who did
    well and poorly

12
Qualitative Item Analysis
  • Are the items based on the objectives?
  • Do the distracters distract?
  • Is there only one correct answer?
  • Or do the students have to find the MOST
    correct answer?
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