ipar: Nominal Response Model Item Parameters

Description Usage Format References

Description

The Nominal Response Model (NRM) item parameters are taken from Wollack's study (1996) and used to generate simulated.data.

Usage

1

Format

A data frame with 40 rows and 10 columns.

Slope.A

NRM slope parameter for response alternative A

Slope.B

NRM slope parameter for response alternative B

Slope.C

NRM slope parameter for response alternative C

Slope.D

NRM slope parameter for response alternative D

Slope.E

NRM slope parameter for response alternative E

Intercept.A

NRM intercept parameter for response alternative A

Intercept.B

NRM intercept parameter for response alternative B

Intercept.C

NRM intercept parameter for response alternative C

Intercept.D

NRM intercept parameter for response alternative D

Intercept.E

NRM intercept parameter for response alternative E

References

Wollack, J.A.(1996). Detection of answer copying using item response theory. Dissertation Abstracts International, 57/05, 2015.

Bock (1972). Estimating item parameters and latent ability when responses are scored in two or more nominal categories. Psychometrika, 37, 29-51 .





CopyDetect documentation built on May 19, 2017, 4 p.m.

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