Non - Attending Respondent Effects on Internal Consistency of Self - Administered Surveys : A Monte Carlo Simulation Study  

Oleh:

Barnette, J. Jackson

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 59 no. 1 (1999), page 38-46.
Topik: survey; psychology; education; polls & surveys; monte carlo simulation
Fulltext: 38.pdf (67.39KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: EE30.3 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This research investigated the effects of type and prevalence of response patterns that might be provided by non attending respondents on cronvach's alpha. Three simulated data sets, one for each value of cronbach's alpha 0,700 , 0,800 and 0,900 , were constructed for 100 respondents on 50 one to seven likert items. Participants were replaced randomly in each population by one of eight response paterns at 5%, 10%, 15% and 20% replacement levels. Effects were greater as a function of increased prevalence in the respondent group, however as few as 5% of certain types of non attending patterns had strong, inflating effects on alpha.

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