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NAMA : DRESTI RIMBI FITROYA (REVISED)NIM : 01.12.014S1 Keperawatan Tk IV A
RELIABILITY /VARIABLES=P1 P2 P3 P4 P5 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /STATISTICS=DESCRIPTIVE SCALE
/SUMMARY=TOTAL.
Reliability
[DataSet0]
Scale: ALL VARIABLES
Case Processing Summary
N %
Cases Valid 30 100.0
Excludeda 0 .0
Total 30 100.0
a. Listwise deletion based on all variables in the
procedure.
Reliability Statistics
Cronbach's
Alpha N of Items
.759 5
Item Statistics
Mean Std. Deviation N
P1 3.40 .498 30
P2 3.47 .507 30
P3 3.77 .568 30
P4 3.30 .466 30
P5 3.40 .563 30
Item-Total Statistics
Scale Mean if
Item Deleted
Scale Variance if
Item Deleted
Corrected Item-
Total Correlation
Cronbach's
Alpha if Item
Deleted
P1 13.93 2.202 .690 .658
P2 13.87 2.326 .573 .700
P3 13.57 2.530 .342 .785
P4 14.03 2.516 .499 .726
P5 13.93 2.202 .569 .700
Scale Statistics
Mean Variance Std. Deviation N of Items
17.33 3.471 1.863 5
RELIABILITY /VARIABLES=P1 P2 P4 P5 /SCALE('ALL VARIABLES') ALL /MODEL=ALPHA /STATISTICS=DESCRIPTIVE SCALE
/SUMMARY=TOTAL.
Reliability
[DataSet0]
Scale: ALL VARIABLES
Case Processing Summary
N %
Cases Valid 30 100.0
Excludeda 0 .0
Total 30 100.0
a. Listwise deletion based on all variables in the
procedure.
Reliability Statistics
Cronbach's
Alpha N of Items
.785 4
Item Statistics
Mean Std. Deviation N
P1 3.40 .498 30
P2 3.47 .507 30
P4 3.30 .466 30
P5 3.40 .563 30
Item-Total Statistics
Scale Mean if
Item Deleted
Scale Variance if
Item Deleted
Corrected Item-
Total Correlation
Cronbach's
Alpha if Item
Deleted
P1 10.17 1.454 .689 .683
P2 10.10 1.610 .514 .771
P4 10.27 1.582 .624 .719
P5 10.17 1.454 .558 .754
Scale Statistics
Mean Variance Std. Deviation N of Items
13.57 2.530 1.591 4
KESIMPULAN UJI RELIABILITASDari hasil uji ternyata r Alpha (0,785) lebih besar dibandingkan dengan nilai rtabel, maka keempat pertanyaan (P1, P2, P4, P5) dinyatakan reliabel.
Variabel CronbachsAlpha R tabel Keterangan
P1 0,785 0,374 Reliabel
P2 0,785 0,374 Reliabel
P4 0,785 0,374 Reliabel
P5 0,785 0,374 Reliabel
KESIMPULAN UJI VALIDITASAda satu pertanyaan yaitu P3 (r hitung=0,342) yang nilainya lebih rendahdari r tabel (r=0,374), sehingga pertanyaan P3 tidak valid, sedangkanpertanyaan P1, P2, P4 dan P5 valid.
Variabel R Hitung R tabel Keterangan
P1 0,690 0,374 Valid
P2 0,573 0,374 Valid
P3 0,342 0.374 Tidak valid
P4 0,499 0,374 ValidP5 0,569 0,374 Valid