管理咨詢核心課程企業(yè)研究方法(ppt26)英文-咨詢方法-閱讀頁
2024-09-06 14:02本頁面
【正文】 refers to the ability of a measure to maintain stability over time, despite uncontrollable testing conditions or the state of the respondents themselves ? Internal consistency – indicates how well the items ‘hang together as a set’ and can independently measure the same concept, so respondents attach the same overall meaning to each of the items Stability of Measures ? Testretest reliability – the reliability coefficient obtained with a repetition of the same measure on a second occasion ? Parallelform reliability – the correlation obtained from responses on two parable sets of measures (changed for wording amp。 question order) tapping the same construct Internal Consistency of Measures ? Interitem consistency reliability – test of the consistency of respondents’ answers to all the items in a measure – usually tested by Cronbach’s coefficient alpha ? Splithalf reliability – reflects the correlations between two halves of an instrument Types of Validity
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