metadata_example: ATA Package Example Item Metadata
In ata: Automated Test Assembly
Description
Usage
Format
References
Description
Sample data based on data from Parshall et al. (2002) used for the demonstration of the Weighted (positive) Deviations Method (WDM).
Usage
1
Format
A data frame with 10 rows and 10 variables:
- Item
Unique item identifier, integer.
- Content
Content label, as factor identifying content "A" and "B".
- Content_A
Dummy code for content "A", 0 and 1 indicators.
- Content_B
Dummy code for content "B", 0 and 1 indicators.
- p
Item proportion correct responding, rounded decimal.
- rpbis
Item-total point biserial correlation, rounded decimal correlation in range -1.00 to 1.00.
- iSx
Item contribution to total composite standard deviation, double precision numeric.
- Time
Expected item response time, in minutes.
- Parent0
Item set ID–initial, unique item set name.
- Parent1
Item set ID–modified, unique item set name.
References
Parshall, C. G., et al. (2002). Automated test assembly for online administration. In C. G. Parshall, J. A. Spray, J. C. Kalohn, & T. Davey, Practical considerations in computer based testing (pp.106-125). New York, NY: Springer-Verlag New York, Inc.
ata documentation built on Nov. 10, 2020, 3:49 p.m.
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Description Usage Format References
Description
Sample data based on data from Parshall et al. (2002) used for the demonstration of the Weighted (positive) Deviations Method (WDM).
Usage
1 |
Format
A data frame with 10 rows and 10 variables:
- Item
Unique item identifier, integer.
- Content
Content label, as factor identifying content "A" and "B".
- Content_A
Dummy code for content "A", 0 and 1 indicators.
- Content_B
Dummy code for content "B", 0 and 1 indicators.
- p
Item proportion correct responding, rounded decimal.
- rpbis
Item-total point biserial correlation, rounded decimal correlation in range -1.00 to 1.00.
- iSx
Item contribution to total composite standard deviation, double precision numeric.
- Time
Expected item response time, in minutes.
- Parent0
Item set ID–initial, unique item set name.
- Parent1
Item set ID–modified, unique item set name.
References
Parshall, C. G., et al. (2002). Automated test assembly for online administration. In C. G. Parshall, J. A. Spray, J. C. Kalohn, & T. Davey, Practical considerations in computer based testing (pp.106-125). New York, NY: Springer-Verlag New York, Inc.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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