Table 2.

Knowledge section of the ADKQ and CFA factor loadings from the one-factor model (KNOW), items 1–13

	Item	Subsample 1 λ	Subsample 2 λ	Subsample 3 λ
1	Five percent of all teenagers will suffer a Major Depression	0.88	0.88	0.55
2	Major Depression is a normal part of adolescence	0.82	0.85	0.69
3	Depression runs in some families	0.91	0.92	0.64
4	Depression can be controlled through willpower	0.65	0.68	0.44
5	The cause of Major Depression is well known	0.71	0.73	0.63
6	A change in behavior is a symptom of depression	0.88	0.88	0.63
7	There are certain groups of people who are immune to depression	0.83	0.84	0.68
8	Major Depression is a treatable medical illness	0.80	0.81	0.48
9	A person with depression always feels sad	0.81	0.81	0.51
10	The abuse of alcohol and drugs can be a sign of depression	0.98	0.99	0.89
11	Bipolar Disorder is more common than Major Depression	0.63	0.63	0.40
12	Major Depression is a curable illness	0.52	0.54	0.22
13	Someone who has a major stress (like having parents get a divorce) always develops a depressive illness	0.84	0.85	0.75
14	List five symptoms of depressive illness	n/a	n/a	n/a
15	List two symptoms of mania	n/a	n/a	n/a

Subsamples 1 and 2 include post-test data, while subsample 3 includes pre-test data. Items 14 and 15 were not included in factor analyses