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    Development and validation of an instrument to measure science teachers’ instructional preparedness in stem implementation by Ramli, Nur Farhana

    Published 2019
    “…Through content validation testing using the Lawshe Model, 47 items have gained expert consensus, however, the remaining four items were maintained during the next test with some refinement. Field studies were then conducted on 265 science teachers in Malaysia using randomised multistage cluster sampling. …”
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