Skala Motivasi Berprestasi Tes Hasil Belajar Matematika Bangun Ruang

109 Lampiran 4. Hasil Uji Daya Beda dan Reabilitas

c. Skala Motivasi Berprestasi

Lampiran Hasil Uji Daya Beda Skala Motivasi Berprestasi Item-Total Statistics Scale Mean if Item Deleted Scale Variance if Item Deleted Corrected Item- Total Correlation Cronbachs Alpha if Item Deleted Butir_1 89.23 127.916 .455 .808 Butir_2 89.62 130.356 .393 .811 Butir_3 89.55 126.516 .406 .809 Butir_4 88.97 129.470 .408 .810 Butir_5 90.03 129.323 .328 .812 Butir_6 89.28 131.585 .096 .829 Butir_7 89.29 129.415 .369 .811 Butir_8 89.03 133.676 .183 .817 Butir_9 90.13 126.056 .401 .809 Butir_10 89.04 126.101 .540 .805 Butir_11 88.81 132.126 .278 .814 Butir_12 88.99 135.838 .071 .821 Butir_13 89.29 127.297 .464 .807 Butir_14 89.14 128.832 .362 .811 Butir_15 89.12 125.192 .566 .804 Butir_16 89.58 132.541 .185 .818 Butir_17 88.88 126.104 .613 .803 Butir_18 89.39 126.153 .547 .805 Butir_19 89.99 140.367 -.143 .829 Butir_20 88.75 129.865 .376 .811 Butir_21 89.22 129.202 .364 .811 Butir_22 89.46 135.899 .040 .823 Butir_23 89.07 123.980 .606 .802 Butir_24 88.77 129.004 .430 .809 Butir_25 89.61 127.565 .386 .810 Butir_26 89.61 137.477 -.022 .825 110 Butir_27 89.22 123.761 .628 .801 Butir_28 89.07 134.656 .107 .820 Butir_29 88.81 129.155 .392 .810 Butir_30 89.13 127.380 .405 .809 Butir Soal Hasil Keterangan 1 0,455 LAYAK 2 0,393 LAYAK 3 0,406 LAYAK 4 0,408 LAYAK 5 0,328 LAYAK 6 0,098 TIDAK LAYAK 7 0,369 LAYAK 8 0,183 TIDAK LAYAK 9 0,401 LAYAK 10 0,540 LAYAK 11 0,278 TIDAK LAYAK 12 0,071 TIDAK LAYAK 13 0,464 LAYAK 14 0,362 LAYAK 15 0,566 LAYAK 16 0,185 TIDAK LAYAK 17 0,613 LAYAK 18 0,547 LAYAK 19 -0,143 TIDAK LAYAK 20 0,376 LAYAK 21 0,364 LAYAK 22 0,040 TIDAK LAYAK 23 0,606 LAYAK 24 0,430 LAYAK 25 0,386 LAYAK 26 -0,022 TIDAK LAYAK 27 0,628 LAYAK 28 0,107 TIDAK LAYAK 29 0,392 LAYAK 30 0,405 LAYAK Lampiram Hasil Uji Reabilitas Skala Motivasi Berprestasi Reliability Statistics Cronbachs Alpha N of Items .817 30 111

d. Tes Hasil Belajar Matematika Bangun Ruang

Lampiran Hasil Uji Daya Beda Tes Matematika Bangun Ruang Item-Total Statistics Scale Mean if Item Deleted Scale Variance if Item Deleted Corrected Item- Total Correlation Cronbachs Alpha if Item Deleted Butir_1 26.49 42.460 .477 .858 Butir_2 26.72 41.085 .498 .856 Butir_3 26.51 42.283 .487 .857 Butir_4 26.48 43.371 .251 .861 Butir_5 26.74 41.402 .438 .857 Butir_6 26.48 43.459 .225 .861 Butir_7 26.55 43.928 .053 .864 Butir_8 26.97 43.352 .107 .865 Butir_9 27.00 42.441 .251 .862 Butir_10 26.57 43.543 .128 .863 Butir_11 26.61 42.124 .383 .858 Butir_12 26.86 41.802 .347 .859 Butir_13 26.90 41.592 .378 .858 Butir_14 26.49 42.371 .501 .857 Butir_15 26.55 41.575 .569 .855 Butir_16 26.52 42.253 .464 .857 Butir_17 26.51 42.665 .389 .859 Butir_18 26.54 42.958 .277 .860 Butir_19 26.72 40.938 .524 .855 Butir_20 26.87 42.086 .302 .860 Butir_21 26.86 41.832 .343 .859 Butir_22 26.49 43.312 .244 .861 Butir_23 26.70 41.862 .378 .858 Butir_24 26.99 40.985 .482 .856 Butir_25 26.90 41.210 .439 .857 Butir_26 26.77 41.622 .392 .858 Butir_27 26.59 42.392 .342 .859 112 Butir_28 27.32 44.809 -.154 .867 Butir_29 26.62 41.885 .418 .858 Butir_30 26.68 41.044 .530 .855 Butir_31 26.62 41.121 .565 .854 Butir_32 26.80 41.046 .479 .856 Butir_33 26.72 41.379 .448 .857 Butir_34 26.93 41.745 .355 .859 Butir_35 26.67 41.755 .412 .858 Butir_36 26.57 43.867 .062 .864 Butir_37 26.94 42.085 .302 .860 Butir_38 27.04 42.983 .171 .863 Butir_39 27.07 43.156 .148 .864 Butir_40 26.48 42.812 .416 .859 Butir Soal Hasil Keterangan 1 0,477 LAYAK 2 0,498 LAYAK 3 0,487 LAYAK 4 0,251 TIDAK LAYAK 5 0,438 LAYAK 6 0,225 TIDAK LAYAK 7 0,053 TIDAK LAYAK 8 0,107 TIDAK LAYAK 9 0,251 TIDAK LAYAK 10 0,128 TIDAK LAYAK 11 0,383 LAYAK 12 0,347 LAYAK 13 0,378 LAYAK 14 0,501 LAYAK 15 0,569 LAYAK 16 0,464 LAYAK 17 0,389 LAYAK 18 0,277 TIDAK LAYAK 19 0,524 LAYAK 20 0,302 LAYAK 21 0,343 LAYAK 22 0,244 TIDAK LAYAK 23 0,378 LAYAK 24 0,482 LAYAK 25 0,439 LAYAK 26 0,392 LAYAK 113 27 0,342 LAYAK 28 -0,154 TIDAK LAYAK 29 0,418 LAYAK 30 0,530 LAYAK 31 0,565 LAYAK 32 0,479 LAYAK 33 0,448 LAYAK 34 0,355 LAYAK 35 0,412 LAYAK 36 0,062 TIDAK LAYAK 37 0,302 LAYAK 38 0,171 TIDAK LAYAK 39 0,148 TIDAK LAYAK 40 0,416 LAYAK Lampiram Hasil Uji Reabilitas Tes Matematika Bangun Ruang Reliability Statistics Cronbachs Alpha N of Items .862 40 114 Lampiran 5. Instrumen Penelitian

a. Skala Motivasi Berprestasi