Page 73 - SALSA NABILA EVANDI

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rumus ini disesuaikan dengan teknik skoring yang dilakukan pada setiap item dalam

instrumen. Nilai correlated item-total correlation dalam suatu indikator agar dinyatakan

handal adalah minimal 0.70. Berikut merupakan hasil dari uji realibilitas dari masing-

masing variabel.

Tabel 2. Hasil uji Realibilitas

No Variabel Cronbach Alpha Keputusan
1 Pengetahuan 0.924 Reliabel
2 Perilaku Menyikat Gigi 0.792 Reliabel

Pengetahuan

Item-Total Statistics
Scale Mean if Scale Variance if Corrected Item-Total Cronbach's Alpha if
Item Deleted Item Deleted Correlation Item Deleted
P1 13.97 12.930 .537 .925
P2 13.93 12.685 .612 .922
P3 13.87 12.120 .803 .911
P4 13.90 11.817 .890 .906
P5 13.93 13.857 .275 .939
P6 13.97 11.964 .833 .909
P7 13.93 12.685 .612 .922
P8 13.87 12.051 .825 .910
P9 13.90 11.817 .890 .906
P10 13.93 11.857 .870 .907

Penyakit Mulut dan Gigi

Item-Total Statistics
Scale Mean if Scale Variance if Corrected Item-Total Cronbach's Alpha if
Item Deleted Item Deleted Correlation Item Deleted
PMG1 5.97 2.378 .512 .771
PMG2 6.00 2.138 .722 .703
PMG3 5.83 2.213 .624 .734
PMG4 5.90 2.438 .453 .790
PMG5 5.77 2.323 .554 .757