exam3.txt

File contains 500 observations, 20 binary items, five polytomous items, 
and an ID variable.


Data were simulated but also contain missing data.



Answer key (Format = Response Option: Item numbers)
-------------------------------------------------------
0: Incorrect answer for items 1-20
1: Correct answer for items 1-20

Items 21-25 are ploytomous. The responses are 0, 1, 2, 3, and 4.
They are scored teh same way: 0, 1, 2, 3, 4.

bscoring{
     ncat(0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 5, 5, 5, 5);
     key(, , +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0, +0);
     data(db = mydb, table = EXAM3);
}

scoring{
	data(db = mydb, table = exam3);
	keys(2);
	key1(options=(0,1), scores=(0,1), 
	     variables=(item1,item2,item3,item4,item5,item6,item7,item8,item9,item10,
		        item11,item12,item13,item14,item15,item16,item17,item18,item19,item20));
	key2(options=(0,1,2,3,4), scores=(0,1,2,3,4),
	     variables=(item21,item22,item23,item24,item25));
}