VALIDITAS

VALIDITAS

  1. Analisis Instrumen Penelitian
    1. Validitas tiap butir soal

      Validitas adalah ukuran yang menunjukkan tingkat kevalidan suatu instrumen. Untuk menghitung validitas tiap butir soal digunakan rumus korelasi product momen berikut ini:


      (Suharsimi Arikunto, 2007: 72)

      Keterangan:

      rxy    : Koefisien korelasi

      N    : Banyaknya Subjek

      X    : Skor item

      Y    : Skor Total

      Menurut Suharsimi Arikunto (2007: 75), kriteria validitas adalah sebagai berikut:

      rxy antara 0,800 – 1,00    : sangat tinggi

      rxy antara 0,600 – 0,800    : tinggi

      rxy antara 0,400 – 0,600    : cukup

      rxy antara 0,200 – 0,400    : rendah

      rxy antara 0,000 – 0,200    : sangat rendah

      Menurut Sugiyono (2007: 126), syarat minimum agar instrumen valid adalah rxy ≥ 0,300.

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About NICO MATEMATIKA

Welcome to my blog. My name is Nico. Admin of this blog. I am a student majoring in mathematics who dreams of becoming a professor of mathematics. I live in Kwadungan, Ngawi, East Java. Hopefully in all the posts I can make a good learning material to the intellectual life of the nation. After the read, leave a comment. I always accept criticism suggestion to build a better me again .. Thanks for visiting .. : mrgreen:

Posted on October 7, 2012, in Teori-Teori dalam pembelajaran and tagged , , , , , , , . Bookmark the permalink. Leave a comment.

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