这篇博客详细介绍了使用SPSS12.0进行效度和信度分析的研究过程。研究发现CCS测试与SP/General测试之间存在中等到弱的相关性，且在2005年和2007年的毕业生群体中，这种相关性更为显著。在信度方面，通过重测法验证了测试的可靠性，显示了良好的一致性。此外，还进行了项目分析，揭示了试题难度分布，部分题目呈现出较难或较易的特性。
and was SPSS12．0．
analysis，validityreliabilityanalyzedby
Result
Test and
validityreliability
1．Validity
(1)CriterionValidity
Middletominor correlationWasfoundbetweenCCStest
statisticallysignificant
andSP／General testforall correlationfactorWasfound
Knowledge subjects．Greater
betweenCCStestand testfor2005 andbetweenCCStest
generalknowledge graduates
andSPtestfor2007
graduates．
Reliability
(2)Retest
retest foundwhentwo of
Statisticallysignificantreliability(Form2)Was way
tothesame Was and
responding item，whichmanually—intervened
chosenform9 menutestand testarebothreliable．
cases，wererequired．Cascadeopen
onexaminee andCCSitem
Analysis competent difficulty
1．Distributionofexaminee andCCSitem
competent difficulty
Was indicatesa forthiscase
Reliability0．999，which goodreliability
Separation
of anditemWasshownin6h卸n4．Normaldistribution
analysis．Distributionsamples
callbe the
observedfromleftside717
were difficult谢mfewexamineestoarlswer
relatively correctly．WllileQ26，Q24，Q25，
ale distributed．
were otheritems
Q3andQ27relativelyeasy．The evenly
2．CCS examinationitem
analyticalassisting difficultyanalysis
Rasch found bad
analysishJ【ghdifficulty(>2)andfitting(absolutevalue>2)for
foundforit
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