Development and validation of the photoelectric effect concept inventory

Önder F.

EUROPEAN JOURNAL OF PHYSICS, cilt.37, sa.5, 2016 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 37 Sayı: 5
  • Basım Tarihi: 2016
  • Doi Numarası: 10.1088/0143-0807/37/5/055709
  • Dergi Adı: EUROPEAN JOURNAL OF PHYSICS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Anahtar Kelimeler: concept test, misconceptions, photoelectric effect, COEFFICIENT ALPHA, VALIDITY
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

This study aims to develop a multiple-choice instrument for determining students' concepts about the photoelectric effect. To develop the instrument, 30 students taking the Modern Physics course were interviewed to determine their misconceptions about the photoelectric effect. These misconceptions were compared with the misconceptions set out in the literature so that a decision could be made to define the questions and distractors to be used in the instrument. The content validity of the inventory was achieved on the basis of the feedback received from ten experts. The inventory was administered to 295 students enrolled in the Physics Teaching and Science Teaching Departments and discrimination index, difficulty index, and point biserial coefficient values were determined for each item. Cronbach's alpha coefficient was calculated for the whole of the test. The results of the analysis reveal that the inventory is both valid and reliable.