Lampiran 14. Lembar Validasi Soal Penguasaan Konsep Sains.

1; Uji Validitas

Item-Total Statistics

Scale Mean if

Item Deleted

Scale Variance if

Item Deleted

Corrected Item-

Total Correlation

Squared Multiple

Correlation

Cronbach's

Alpha if Item

Deleted

Butir_01 35.5000 64.379 .065 . .631

Butir_02 35.2647 63.534 .257 . .624

Butir_03 35.1471 64.917 .069 . .631

Butir_04 35.6471 61.447 .432 . .612

Butir_05 35.4706 65.045 -.018 . .635

Butir_06 35.7353 63.958 .119 . .629

Butir_07 35.6176 63.880 .123 . .628

Butir_08 35.4706 65.469 -.072 . .638

Butir_09 35.6765 63.074 .226 . .623

Butir_10 35.4706 63.832 .138 . .628

Butir_11 35.7647 64.367 .069 . .631

Butir_12 35.6176 62.728 .268 . .621

Butir_13 35.2941 64.153 .135 . .628

Butir_14 35.7353 63.776 .142 . .627

Butir_15 35.7059 63.365 .191 . .625

Butir_16 35.7353 64.019 .111 . .629

Butir_17 35.5588 63.466 .176 . .626

Butir_18 35.7647 63.398 .195 . .625

Butir_19 35.5588 61.284 .456 . .611

Butir_20 35.7941 62.835 .276 . .621

Butir_21 35.6176 60.910 .501 . .609

Butir_22 35.7647 64.064 .108 . .629

Butir_23 35.5000 63.773 .142 . .627

Butir_24 35.6176 64.849 .004 . .634

Butir_25 35.7059 62.820 .261 . .621

Butir_26 35.7059 63.547 .168 . .626

Butir_27 35.6176 63.637 .153 . .627

Butir_28 35.5882 63.886 .123 . .628

Butir_29 35.7059 61.365 .450 . .612

Butir_30 35.5000 62.015 .371 . .616

1

Butir_31 35.5294 63.226 .209 . .624

Butir_32 35.5882 64.613 .033 . .633

Butir_33 35.8529 64.372 .079 . .630

Butir_34 35.7941 62.956 .259 . .622

Butir_35 35.4412 63.830 .143 . .627

Skor_total 18.0588 17.027 .913 . .538

2; Uji Reliabilitas

Summary Item Statistics

Mean Minimum Maximum Range

Maximum /

Minimum Variance N of Items

Inter-Item Correlations .042 -.492 .535 1.028 -1.087 .036 36

Reliability Statistics

Cronbach's

Alpha

Cronbach's

Alpha Based on

Standardized

Items N of Items

.631 .615 36

2