Table 4.

Easiness (ε) and discrimination (δ) parameters for the 21 items of the Lie scale.

New form	Original form	Item n.	Text	ε	δ
		98	Are you always willing to admit it when you have made a mistake?	−4.705	0.427
	✓	57	As a child were you ever cheeky to your parents?	−2.153	0.536
		62	Do you always wash before a meal?	−2.120	0.614
✓		4	Have you ever taken the praise for something you knew someone else had really done?	−2.057	0.678
✓	✓	19	Have you ever blamed someone for doing something you knew was really your fault?	−1.687	0.869
✓	✓	71	Have you ever taken advantage of someone?	−0.909	1.638
✓		32	Do you sometimes talk about things you know nothing about?	−0.733	1.188
	✓	15	If you say you will do something, do you always keep your promise no matter how inconvenient it might be?	−0.693	0.898
✓	✓	66	Have you ever cheated at a game?	−0.508	1.183
✓	✓	44	Have you ever broken or lost something belonging to someone else?	−0.172	1.299
✓	✓	27	Have you ever taken anything (even a pin or button) that belonged to someone else?	−0.149	1.382
		49	Do you sometimes boast a little?	0.164	0.996
✓	✓	10	Were you ever greedy by helping yourself to more than your share of anything?	0.303	1.201
✓	✓	53	Have you ever said anything bad or nasty about anyone?	0.419	1.513
		77	Would you dodge paying taxes if you were sure you could never be found out?	0.421	0.473
✓	✓	86	Do you always practice what you preach?	0.423	1.052
		89	Have you ever been late for an appointment or work?	0.451	1.094
		39	As a child did you do as you were told immediately and without grumbling?	0.691	0.717
✓	✓	23	Are all your habits good and desirable ones?	0.712	1.080
✓	✓	93	Do you sometimes put off until tomorrow what you ought to do today?	1.155	1.212
		82	Have you ever insisted on having your own way?	5.265	0.173

The items are ordered by increasing easiness. The items included in the new and in the original short forms are marked by “✓.”