An Empirical Comparison of Three and Four Choice Items and Tests : Susceptibility to Testwiseness and Internal Consistency Reliability  

Oleh:

Rogers, W. Todd ; Harley, Dwight

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Educational and Psychological Measurement vol. 59 no. 2 (1999), page 234-247.
Topik: COMPARISON; test; educational evaluation
Fulltext: 234.pdf (119.95KB)

Ketersediaan

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

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Isi artikel

Theoretical and test simulation work reveals that under the knowledge - or - random guessing assumptions, three - option item tests are at least as good as four - option item tests in terms of item discrimination and internal consistency. Of concern, however is the finding that multiple - choice items may be suspective to testwiseness, thereby contradicting the random - guessing asumption. Both item - level and test - level characteristics were examined for items included in a high stakes school - leaving mathematics examination. As expected, the influence of testwiseness is lessened when three - option items are used instead of four - option items. Differences and non differences between the pscyhometric characteristics of the three - option and four - option test forms tend to agree with the findings of earlier studies : tests consisting of three -option items are at least equivalent to tests composed of four options in terms of internal consistency score reliability, difficulty is inversely related to the number of options, and the findings for item discrimination are not conclusive.

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