demo data

This dataset contains simulated responses from 100 individuals on 10 items, each rated on a 5-point likert scale (1 to 5). The data were generated using a graded response model with item discrimination parameters ranging from 0.1 to 3, and difficulty thresholds increasing monotonically for each item.

Usage

data(demo_data)

Format

A data frame with 200 rows and 10 variables:

Item_1

Response to item 1

Item_2

Response to item 2

Item_3

Response to item 3

Item_4

Response to item 4

Item_5

Response to item 5

Item_6

Response to item 6

Item_7

Response to item 7

Item_8

Response to item 8

Item_9

Response to item 9

Item_10

Response to item 10

Details

This is a demonstration data. Any resemblance to actual persons, living or dead, is purely coincidental.

Examples

data(demo_data)
head(demo_data)
#>   Item_1 Item_2 Item_3 Item_4 Item_5 Item_6 Item_7 Item_8 Item_9 Item_10
#> 1      0      2      0      0      1      0      0      2      0       4
#> 2      1      4      3      3      4      4      4      4      3       4
#> 3      0      3      4      3      3      4      2      4      4       3
#> 4      0      2      1      0      0      0      1      0      0       2
#> 5      1      4      2      3      4      4      2      4      4       3
#> 6      4      3      1      0      4      4      3      4      2       2