1.6

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6 rules for writing items

-define clearly what you want to measure

-generate an item pool

-keep level of reading appropriate for the person

-avoid double-barreled questions

-mix positively and negatively worded items

-avoid exceptionally long items
which tests were more prone for obsolete?

vocational interest or aptitude batteries
item formats- dichotomous format

items that require a yes-no, true-false response
item formats- dichotomous format- which two tests are in this format?

MMPI and MMPI-2
item formats-dichotomous format- what is one downfall ?

one can get half of them right with just by guessing
item formats-what are polychotomous format?
- responses have more than 2 alternatives
- *classic multiple choice question
item formats-polychotomous format- waht are distractors?
- the incorrect items
- *only if its a achievement or aptitude test
item formats-polychotomous format- how many distractors should there be?
- no more than 3 or 4
- *studies have shown
item formats-polychotomous format- how tough should the distractors be>

they have to be just right
item formats-likert format- what is a likert scale?

it is a scale that has any number of choice points on a graduated scale
item formats-likert format- is likert data interval or ordinal?

some argue it is ordinal
item formats-likert format- what point discriminations is optimal?

7 point
item formats-what is category format?
- similar to likert scales, but more than 5-7 items
- ex) on scale of 1-10
- ex) when a group is being rated the ratters tend to use ratings of up to 10
- *for most tasks, 10 is enough points to discriminate
(item formats)(category format) What is a visual analog scale?

is one in which a 100-millimeter line is used and the subject can draw a slash across it at whatever point they want

Author

efrain12

237009

Card Set

1.6

Description

writing and evaluating a test

Updated

2013-09-25T17:32:15Z

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