Reliabilitas dan Daya Beda Aitem Skala Kesejahteraan Psikologis

2. Reliabilitas dan Daya Beda Aitem Skala Kesejahteraan Psikologis

Reliability Statistics Cronbachs Alpha Cronbachs Alpha Based on Standardized Items N of Items .929 .929 48 Item Statistics Mean Std. Deviation N A1 4.4706 .71694 85 A2 4.2824 .70054 85 A3 3.7765 .85044 85 A4 4.3294 .64343 85 A5 4.3882 .63797 85 A6 4.0588 .74567 85 A7 3.8706 .93590 85 A8 3.8824 .83683 85 A9 4.2353 .64820 85 A10 4.1765 .65785 85 A11 3.8824 .76239 85 A12 4.1529 .82384 85 A13 4.1059 .70750 85 A14 4.0000 .65465 85 A15 4.2235 .60507 85 A16 3.9647 .77838 85 A17 3.3412 1.02994 85 A18 3.9176 .88924 85 Universitas Sumatera Utara A19 3.3647 1.08942 85 A20 3.7294 .79265 85 A21 3.8000 .88372 85 A22 3.7059 .84266 85 A23 3.6235 .98774 85 A24 3.7765 .94335 85 A25 3.9882 .77910 85 A26 3.9529 .70552 85 A27 3.7765 .66146 85 A28 3.2588 .95310 85 A29 3.5059 1.00740 85 A30 3.2353 .81133 85 A31 3.1059 .90005 85 A32 3.1529 .99410 85 A33 3.8353 .78448 85 A34 3.9059 .64777 85 A35 4.0353 .66273 85 A36 4.0353 .68046 85 A37 4.3647 .59456 85 A38 4.3765 .67218 85 A39 4.0941 .59007 85 A40 4.0706 .73660 85 A41 3.8000 .94868 85 A42 3.4824 .86756 85 A43 3.8941 .70750 85 A44 3.4824 .89458 85 A45 3.8353 .66988 85 A46 3.4471 1.01777 85 A47 3.9765 .70671 85 A48 4.0118 .77910 85 Universitas Sumatera Utara Summary Item Statistics Mean Minimum Maximum Range Maximum Minimum Variance N of Items Item Variances .642 .348 1.187 .839 3.409 .048 48 Item-Total Statistics Scale Mean if Item Deleted Scale Variance if Item Deleted Corrected Item- Total Correlation Squared Multiple Correlation Cronbachs Alpha if Item Deleted A1 181.2118 329.002 .479 . .928 A2 181.4000 327.957 .533 . .927 A3 181.9059 329.443 .383 . .928 A4 181.3529 329.088 .535 . .927 A5 181.2941 334.139 .319 . .929 A6 181.6235 332.404 .332 . .929 A7 181.8118 327.369 .406 . .928 A8 181.8000 328.043 .437 . .928 A9 181.4471 334.869 .282 . .929 A10 181.5059 332.372 .383 . .928 A11 181.8000 327.971 .486 . .928 A12 181.5294 325.800 .521 . .927 A13 181.5765 329.057 .484 . .928 A14 181.6824 332.838 .365 . .928 A15 181.4588 330.037 .527 . .927 A16 181.7176 324.181 .613 . .927 A17 182.3412 328.989 .319 . .929 A18 181.7647 326.396 .460 . .928 A19 182.3176 315.838 .644 . .926 A20 181.9529 325.260 .563 . .927 A21 181.8824 320.224 .663 . .926 A22 181.9765 324.714 .545 . .927 A23 182.0588 319.223 .617 . .926 A24 181.9059 321.420 .582 . .927 Universitas Sumatera Utara Scale Statistics Mean Variance Std. Deviation N of Items 185.6824 341.981 18.49273 48 A25 181.6941 321.643 .706 . .926 A26 181.7294 328.652 .502 . .927 A27 181.9059 328.801 .531 . .927 A28 182.4235 322.461 .544 . .927 A29 182.1765 320.480 .568 . .927 A30 182.4471 332.583 .295 . .929 A31 182.5765 330.461 .327 . .929 A32 182.5294 325.895 .421 . .928 A33 181.8471 335.488 .205 . .930 A34 181.7765 333.295 .350 . .929 A35 181.6471 334.422 .294 . .929 A36 181.6471 336.826 .188 . .930 A37 181.3176 333.053 .395 . .928 A38 181.3059 331.096 .427 . .928 A39 181.5882 337.293 .200 . .929 A40 181.6118 329.312 .454 . .928 A41 181.8824 329.153 .347 . .929 A42 182.2000 331.543 .307 . .929 A43 181.7882 329.955 .448 . .928 A44 182.2000 327.352 .427 . .928 A45 181.8471 333.155 .343 . .929 A46 182.2353 318.063 .630 . .926 A47 181.7059 327.115 .562 . .927 A48 181.6706 327.224 .502 . .927 Universitas Sumatera Utara

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