Construction of a Paper-and-Pencil Test of Basic Scientific Literacy Based on Selected Literacy Goals Recommended by The American Association for The Advancement of Science  

Oleh:

Laugksch, Rudiger C. ; Spargo, Peter E.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Public Understanding of Science vol. 5 no. 4 (Okt. 1996), page 331-359.
Fulltext: 331PUS54.pdf (158.17KB)

Isi artikel

We describe the construction of a paper-and-pencil Test of Basic Scientific Literacy (TBSL) specifically designed for high-school leavers entering technikon and university in South Africa. The ‘true–false–don’t know’ scientific literacy test-items are based on a pool of 472 items developed previously from selected literacy goals recommended by the AAAS in Science for all Americans. Test-items were pilot-tested on 625 technikon and university students and were included in the 110-item TBSL on the basis of item discrimination, item difficulty and student feedback. The TBSL consists of three subtests based on Jon Miller’s three constitutive dimensions of scientific literacy: the nature of science (22 items); science content knowledge (72 items); and the impact of science and technology on society (16 items). About 260 South Africa-based members of various South African professional science and engineering associations participated in setting a performance standard for each of the three dimensions of scientific literacy. These standards were validated using a ‘contrasting groups’ approach. The internal consistency of the individual TBSL subtests, and the reliability of mastery-nonmastery classification decisions based on the performance standard, was found to be about 0.80. The reliability of the overall 110-item TBSL was 0.95.

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