science {rpf}

Liking for Science dataset

Description

These data are from Wright & Masters (1982, p. 18).

Details

All items were fit to a 3 category Partial Credit Model (PCM) using Ministep 3.75.0.

References

Wright, B. D. & Masters, G. N. (1982). Rating Scale Analysis. Chicago: Mesa Press.

Examples

data(science)