TABLE 2

MEAN CLASSIFICATION SCORES FOR THE FIVE CATEGORIES

SHOWN FOR EACH OF THE 48 ARTICLES IN THE EXPERIMENTAL SAMPLE

	Topic Domain Categories
Article ID	I Theoretical C.	II Behavioral Eng.	III Discrimination	IV Technical Innovations	V Central Nervous Sys.
1	.14	.27	.95*	.0	.0
2	.36	.23	.18*	.0	.60
3	.45	.27	.95*	.0	.0*
4	.14	.64*	.95*	.0	.0
5	.09	.27	.0	.05	.82*
6	.27	.64*	.91*	.0	.09
7	.41	.36*	.91*	.0	.0
8	.81*	.32*	.86*	.0	.0
9	.18	.23	.95*	.0	.09
10	.50	.18	.59*	.0	.14
11	.04	.77*	.09	.14	.50*
12	1.00*	.09	.0	.0	.0
13	.45*	.45	.05	.0	.14*
14	.91*	.36*	.0	.0	.0
15	.0*	.09	.0	1.0*	.0
16	.18	.63	.05	.50*	.0
17	.0	.05	.0	1.0*	.0
18	.0	.14	.0	.95*	.0
19	.50	.90*	.09	.0	.0
20	.05	.05	.0	.95*	.0
21	.64*	.14	.09	.59*	.0
22	.77*	.23	.09	.0	.05
23	.0	.0	.0	1.0*	.0
24	.77*	.05	.0	.0	.0
25	.27*	.36	.09	.0	.0
26	.32	.23	.90*	.0	.0
27	.64*	.45*	.05	.0	.05
28	.59*	.36*	.40*	.0	.0
29	.23	.64*	.23	.0	.73*
30	.40	.23*	.0	.09	.50*
31	.95*	.14	.05	.05	.09
32	.36	.32	.82*	.0	.0
33	.0	.09	.0	1.0*	.0
34	.0	.09	.0	1.0*	.0
35	.32*	.36*	.0	.45	.0
36	.27*	.45	.14	.0	.91*
37	.23	.27*	.0	.86*	.0
38	.14	.23	.0	.77*	.0
39	.14	.77*	.09	.36	.09*
40	.18	.91*	.05	.41*	.05
41	.95*	.64*	.23	.0	.0
42	.73*	.36	.91*	.0	.05
43	.09	.09*	.0*	1.0*	.0
44	.0	.05	.0	1.0*	.0
45	1.0*	.09	.0	.0	.0
46	.36	.36	.86*	.05	.0
47	.55	.64*	.27	.18*	.0
48	.59	.64	.18*	.0	.0
S =	1797	1613	1307	1240	576
_ (a) x =	.37	.34	.27	.26	.12

(a) = TOPIC DOMAIN CONTRIBUTION DENSITY