Test Instrument Development for Science Process Skills in Mechanic Topic for Grade XI SMA Student

Ramli, Wahdini and Arafah, Kaharuddin and Sari, S. Salmiah Test Instrument Development for Science Process Skills in Mechanic Topic for Grade XI SMA Student. In: 1st International Conference on Educational Assessment and Policy.

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Official URL: http://eprints.unm.ac.id/id/eprint/16667


This research aims to studying the development of valid and reliable test instrument that can be used to measure the physics science process skill (SPS) of mechanic wave topic for student grade XI SMA. To know the aims has been obtained coefficient of content validity, coefficient of reliability, item difficulty level, and item distinguishing power of the instrument. The subject of this research is student grade XI of SMAN 2 Maros that consists of four classes as much as 87 peoples. Test instrument developed consists of 35 items in multiple choice form. Items have been validated content and validation empirically to determine the validity of the criteria. The steps for developing SPS test instrument are: inspect the syllabus and theory, determine the instrument dimensions and indicators, making the instrument grill, writing the test instrument items, determine content validity, empirically validation, and assembling the items of test instrument. The calculation result of content validity obtained internal consistency coefficient r = 0,771. Item validity of the instrument after empirical trial obtained 27 valid items and 8 invalid items from 35 item questions that developed. The instrument reliability coefficient obtained is ri = 0,709. The item difficulty level consist of 0% easy items, 85,2% medium items, and 14,8% of items relatively difficult. The item distinguishing power consist of 55,6% very good items, 18,5% good items, 14,8% marginal items, and 11,1% of items are classified as poor. Keywords: difficulty level, distinguishing power, reliability, science process skill, validity.

Item Type: Conference or Workshop Item (Paper)
Depositing User: Dr. Kaharuddin Arafah
Date Deposited: 29 Jun 2022 12:04
Last Modified: 29 Jun 2022 12:04
URI: http://eprints.unm.ac.id/id/eprint/23578

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