Towards the Design of Context-Aware Adaptive User Interfaces to Minimize Drivers’ Distractions

Table 7

Iterated Principal Factor Analysis.

Measurement items	Eigenvalues	Difference	Proportion	Cumulative	Uniqueness
Factor1	4.16775	0.86173	0.0733	0.0733	0.0332
Factor2	3.30602	0.41087	0.0582	0.1315	0.0332
Factor3	2.89515	0.11932	0.0509	0.1824	0.1042
Factor4	2.77584	0.34843	0.0488	0.2313	0.1598
Factor5	2.42741	0.12902	0.0427	0.2740	−0.0303
Factor6	2.29839	0.13477	0.0404	0.3144	−0.0068
Factor7	2.16362	0.13926	0.0381	0.3525	0.1618
Factor8	2.02436	0.14853	0.0356	0.3881	0.1298
Factor9	1.87583	0.03791	0.0330	0.4211	0.0975
Factor10	1.83793	0.07342	0.0323	0.4535	0.0898
Factor11	1.76450	0.01773	0.0310	0.4845	0.0954
Factor12	1.74677	0.08717	0.0307	0.5153	0.0334
Factor13	1.65960	0.05695	0.0292	0.5445	0.0013
Factor14	1.60264	0.04585	0.0282	0.5727	0.0075
Factor15	1.55680	0.08512	0.0274	0.6000	0.0056
Factor16	1.47167	0.12395	0.0259	0.6259	0.0437
Factor17	1.34772	0.03929	0.0237	0.6497	0.0255
Factor18	1.30844	0.10513	0.0230	0.6727	0.0973
Factor19	1.20330	0.03614	0.0212	0.6938	−0.0078
Factor20	1.16716	0.01158	0.0205	0.7144	0.1079
Factor21	1.15558	0.02960	0.0203	0.7347	0.0711
Factor22	1.12598	0.11679	0.0198	0.7545	0.1533
Factor23	1.00920	0.04908	0.0178	0.7723	0.1003
Factor24	0.96012	0.05031	0.0169	0.7892	0.1117
Factor25	0.90981	0.05021	0.0160	0.8052	0.0324
Factor26	0.85960	0.03158	0.0151	0.8203	0.2479
Factor27	0.82801	0.04933	0.0146	0.8349	0.1175
Factor28	0.77868	0.03654	0.0137	0.8486	0.0953
Factor29	0.74214	0.04227	0.0131	0.8616	0.0880
Factor30	0.69987	0.07413	0.0123	0.8740	0.0720
Factor31	0.62574	0.01323	0.0110	0.8850	0.1018
Factor32	0.61251	0.05363	0.0108	0.8957	0.1097
Factor33	0.55888	0.05524	0.0098	0.9056	0.1659
Factor34	0.50364	0.02172	0.0089	0.9144	0.0001
Factor35	0.48192	0.02075	0.0085	0.9229	0.1346
Factor36	0.46117	0.02582	0.0081	0.9310	0.0962
Factor37	0.43535	0.07850	0.0077	0.9387	0.0038
Factor38	0.35685	0.00565	0.0063	0.9450	0.0978
Factor39	0.35120	0.01275	0.0062	0.9512	0.1304
Factor40	0.33845	0.04914	0.0060	0.9571	0.1338
Factor41	0.28931	0.01496	0.0051	0.9622	−0.0255
Factor42	0.27435	0.02779	0.0048	0.9670	0.0676
Factor43	0.24656	0.00400	0.0043	0.9714	−0.0185
Factor44	0.24255	0.03557	0.0043	0.9756	0.1242
Factor45	0.20699	0.01929	0.0036	0.9793	0.0242
Factor46	0.18770	0.02451	0.0033	0.9826	0.0465
Factor47	0.16319	0.01043	0.0029	0.9854	0.0497
Factor48	0.15275	0.01490	0.0027	0.9881	0.1494
Factor49	0.13786	0.02172	0.0024	0.9906	−0.0380
Factor50	0.11614	0.01123	0.0020	0.9926	0.0230
Factor51	0.10491	0.03082	0.0018	0.9945	−0.0580
Factor52	0.07408	0.01385	0.0013	0.9958	0.0987
Factor53	0.06023	0.01138	0.0011	0.9968	0.1319
Factor54	0.04885	0.00722	0.0009	0.9977	0.0197
Factor55	0.04163	0.00121	0.0007	0.9984	−0.0502
Factor56	0.04042	0.00934	0.0007	0.9991	−0.0417
Factor57	0.03108	0.01773	0.0005	0.9997	0.1320
Factor58	0.01335	0.00820	0.0002	0.9999	0.0725
Factor59	0.00515	0.00398	0.0001	1.0000	0.0407
Factor60	0.00117	0.00175	0.0000	1.0000	0.0763
Factor61	0.00058		−0.0000	1.0000	0.0961
Number of observations	88
Retained factors with min. eigenvalue (0)	60
Number of parameters	1830
Likelihood ratio Chi-squared test (1830)	2188