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【简答题】
某研究室用两种不同国产试剂检测 133 份 HBsAg 阳性血清,结果见下表。 表 3 两种血清学检验结果比较 甲法 乙法 合计 + - + 80(a) 11(b) 91 - 31(c) 11(d) 42 合计 111 22 133 ( 1 )该资料是何种设计类型?( 3 分) ( 2 )根据 SPSS 软件给出的结果判断 两种试剂检出率有无差别?须写出假设检验步骤,根据 SPSS 结果写出有关的统计量,并做出统计推断,无需计算过程 ( 10 分) OUTPUT of SPSS 甲法*己法Crosstabulation 己法 Total + - 甲法 + count 80 11 91 expected count 75.9 15.1 91.0 - count 31 11 42 expected count 35.1 6.9 42.0 Total count 111 22 133 expected count 111.0 22.0 133.0 Chi-Square Tests Value df Asymp. Sig. (2-sided) Exact Sig. (2-sided) Exact Sig. (1-sided) Pearson Chi-Square 4.140 1 .042 Continuity Correction 3.181 1 .074 Likelihood Ratio 3.909 1 .048 Fisher's Exact Test .049 .040 Linear-by-Linear Association 4.109 1 .043 McNemar Test .003
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