Kman Blog

Projek ICC..untuk kita fikirkan bersama siri # 4

Posted on: December 7, 2009

Kelemahan # 4

Varifikasi dan Validasi terhadap punca masalah dilakukan hanya merujuk kepada sumber atau rekod dan berdasarkan pemerhatian semata-mata tanpa ujian atau eksperimen dilakukan.Kriteria Penilaian  ICC MPC  # 3.7 & 3.8 dalam analisa masalah menberi markah yang cukup lumayan untuk Konvensyen

Varifikasi adalah teknik untuk kita melakukan penelitian atau pemeriksaan untuk membuktikan kebenaran  terhadap sesuatu tindakan.

Validasi –  pengesahan atau pembuktian yang dilakukan melalui proses varifikasi . Pengesahan ini boleh ditunjukkan dengan keputusan ujian, experimen, keputusan kaji selidik melalui hipotesis yang dibentuk , pemerhatian  dan lain-lain kaedah.

Tindakan pembetulan :

  • Validasi bukan semata-mata tunjukan rekod atau sumber tetapi juga mestilah berdasarkan  data , ujian atau soal selidik. Kenapa ?… makna Validasi adalah bukti terhadap analisa punca masalah . Adakah bukti kita mengatakan  punca masalah x  hanya ditentukan berdasarkan  buku rekod semata-mata?.
  • Cth #1 . Bila kita kata mesen x rosak berpunca dari tak buat calibaration. Maka sepatutnya ujian calibaration dilakukan dan lihat trend bacaanya menepati spesifikasi atau tidak.Trend ujian calibaration dalam bentuk Graf garis itulah yang dikatakan Validasi
  • Cth # 2 masalah lewat proses X” – salah satu punca akhir kita adalah kurang latihan. Dan Grp ICC  terus bersetuju kurang latihan sebagai punca paling mungkin  apabila rujukan sumber  iaitu rekod latihan mendapati kebanyakan kakitangan tidak mengikuti Latihan.  Persoalanya adakah siasatan dilakukan oleh Grp ICC berkenaan bahawa kakitangan kebanyakanya berpengalaman dan pernah bekerja di tempat lain yang melakukan kerja yang hampir sama  walaupun di tempat kerja baru staff berkaitan tidak pernah ikut latihan ?….Untuk menyakinkan atau untuk membuktikan kurang latihan sebagai punca atau tidak… validasi   hanya  berdasarkan rekod latihan semata-mata adalah tidak tepat.
  • Sebaiknya buat ujian terhadap proses kerja X.
  • Ambik secara random staff yang terlibat ( 30% paling minima) yang ada latihan atau pengalaman dibandingkan dengan staff tidak mengikuti  latihan atau kurang pengalaman. Dan buat ujian bilangan kesilapan dilakukan antara kedua-dua  pihak ni. Dari data bilangan kesilapan yang ada , buat scatter diagram. Jika tiada hubungan kesilapan antara yang berpengalaman dengan  staff yang tiada pengalaman atau latihan.Barulah kumpulan boleh buat keputusan iaitu  kurang latihan bukanlah satu punca paling mungkin… sebabnya data  ujian melalui scatter diagram menunjukkan tiada hubungan antara  bilangan kesilapan dengan tahun bekerja untuk kedua-dua kategori staff.
  • Cth # 3 : Masalah kegemukan – mungkin kita anggap tabiat pemakanan merupakan punca paling mungkin. Adakah kita pasti orang yang gemuk berpunca dari pemakanan… untuk membuktikanya ,kita kena buat survey kalau ada hubungan positif antara kegemukan dengan tabiat pemakanan , barulah kita boleh katakan tabiat pemakanan merupakan punca paling mungkin. Grp ICC  perlu tunjukan borang Survey, resurt survey dan hubungan antara  tabiat makan dengan berat badan melalui scatter diagram.

Dalam projek ICC, keputusan validasi boleh ditunjukan melalui alat QC seperti Scatter Diagram, Control Chart, Histrogram, Graf dan Carta serta lain-lain alat yang bersesuaian. Juga boleh ditunjukkan melalui penolakan atau penerimaan Hipotesis melalui ujian t-test atau sebarang dokumen yang disahkan.Validasi pembuktian penjimatan kos pula biasanya di tunjukkan dengan pengasahan penyata kewangan oleh Bahagian Kewangan.

KLIK ..!! CONTOH VARIFIKASI DAN VALIDASI– DALAM PROJEK ICC…

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