Results 251 to 260 of about 90,928 (301)

Discrimination and Uniformity of Test Item Distracters

Psychological Reports, 1968
It is demonstrated that the item discrimination index (d) and an index of the uniformity of the distribution of choices of distracters (U) provide useful information about the effectiveness of distracters on multiple-choice items.
Lewis R. Aiken
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ITEM DIFFICULTY AND DISCRIMINATION AS A FUNCTION OF STEM COMPLETENESS

Psychological Reports, 1991
The effects on item difficulty and discrimination of stem completeness (complete stem or incomplete stem) for multiple-choice items were studied experimentally. Subjects (166 junior education students) were classified into three achievement groups (low, medium, high) and one of two forms of a multiple-choice test was randomly assigned to each subject ...
Claudio Violato
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Item Discrimination and Type I Error in the Detection of Differential Item Functioning

Educational and Psychological Measurement, 2012
In 2009, DeMars stated that when impact exists there will be Type I error inflation, especially with larger sample sizes and larger discrimination parameters for items. One purpose of this study is to present the patterns of Type I error rates using Mantel–Haenszel (MH) and logistic regression (LR) procedures when the mean ability between the focal and
Gordon P Brooks
exaly   +2 more sources

Optimal Item Discrimination and Maximum Information for Logistic IRT Models [PDF]

Applied Psychological Measurement, 1999
Items with the highest discrimination parameter values in a logistic item response theory model do not necessarily give maximum information. This paper derives discrimination parameter values, as functions of the guessing parameter and distances between person parameters and item difficulty, that yield maximum information for the three-parameter ...
Veerkamp, W.J.J., Berger, M.P.F.
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Item Discrimination: When More Is Worse

Journal of Educational Measurement, 1988
High item discrimination can be a symptom o f a special kind of measurement disturbance introduced by an item that gives persons o f high ability a special advantage over and above their higher abilities. This type o f disturbance, which can be interpreted as a form o f item “bias,” can be encouraged by methods that routinely interpret highly ...
Geofferey N Masters
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Polytomous explanatory item response models for item discrimination: Assessing negative-framing effects in social-emotional learning surveys

Behavior Research Methods
Modeling item parameters as a function of item characteristics has a long history but has generally focused on models for item location. Explanatory item response models for item discrimination are available but rarely used.
Joshua B Gilbert, Lijin Zhang, Esther Ulitzsch   +2 more
exaly   +2 more sources

An Item-Difficulty Based Speech Discrimination Test

Journal of Speech and Hearing Research, 1971
In an attempt to improve the differentiating ability of monosyllabic speech discrimination tests, two equivalent, 25-word test recordings with rectilinear distributions of item difficulty were constructed from W-22 Hirsh recordings. These lists and selected half lists of the standard W-22 recordings were then presented to 40 ears of listeners with ...
R H, Margolis, J P, Millin
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Learning as a Function of Haptic Discriminability among Items

The American Journal of Psychology, 1984
In Experiment 1, braille symbols for the letters A-J were found to be more haptically discriminable from one another than braille symbols for the letters K-T. In Experiment 2, subjects learned the names for the A-J symbols faster than for the K-T symbols.
S E, Newman, A D, Hall, D J, Foster, V, Gupta   +3 more
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The Development of Constant Items for Speech Discrimination Testing

Journal of Speech and Hearing Research, 1968
Subjects were English-speaking adults with hearing impairment. Etiology of hearing loss did not enter into selection. Consonant errors were observed on speech discrimination test lists employing a closed-set response system. Fifteen subjects were employed for the first list and 20 each for the remaining four lists, with an occasional subject serving in
E, Owens, E D, Schubert
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Discovering discriminative test items for achievement tests

Expert Systems with Applications, 2012
One of the essential goals of test designing is to select items with the most discriminative power. In the past, most research has assumed there is no dependent relationship among test items, so that test papers are often produced by selecting items with individual discriminations.
Yu-Chin Liu, Po-Jung Chen
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