SPSS

SPSS

1. Is the data normally distributed?

   • Normality test
     • Sig Value
       • Sig > 0.05
         • YES
           • How is data reported?
             • Data is reported as Mean +_ SD
               • Analyse
                 • Descriptive statistics
                   • Descriptives
                     • DON'T FORGET
                       • Click Options  Select:  Minimum  Maximum  S.E Error Std. deviation
           • How is data compared?
             • Data is compared using parametric statistical tests
               • How many sets of data are there?
                 • 2
                   • Use T statistical tests
                     • What is the experimental model?
                       • Independent
                         • Independent T test
                           • Xác định có sự khác nhau hay không giữa 2 group với một biến phụ thuộc. Ví dụ so sánh có hay không khác nhau về chiều cao/cân nặng giữa nam và nữ
                           • Analyse
                             • Compare means
                               • Independent Samples-T test
                                 • DON'T FORGET
                                   • Select Define groups  Type '1' in the 'Group1' box  Type '2' in the 'Group 2' box  Continue
                                 • Independent Samples Test Table
                                   • Sig. 2-tailed value
                                     • Sig 2-tailed > 0.05
                                       • NO significant diff
                                     • Sig 2-tailed < 0.05
                                       • There's sig diff
                       • Repeated measures
                         • Dependent T test
                           • Analyse
                             • Compare means
                               • Paired Sample T tests
                                 • So sánh từng cặp giá trị trước và khi có một tác động nào đó. Ví dụ so sánh chiều cao trước và sau khi uống thuốc
                                 • Paired Sample Test Table
                 • 3 or more
                   • Use ANOVA statistical tests
                     • How many independent variables are there?
                       • One
                         • What is the experimental model?
                           • Independent
                             • ONE WAY ANOVA
                               • Analyse
                                 • Compare means
                                   • One-Way ANOVA
                                     • Sig.
                                       • Sig < 0.05
                                         • There is a significant difference
                                           • What Post Hoc tests are used here?
                                             • Tukey
                                               • Hoặc LSD. Chọn Homogeneity of variance test ( kiểm định giả thiết phương sai đồng nhất ) Đánh giá : 1. Xem bảng homogeneity kiểm tra sig có &gt; 5%. Nếu lớn hơn thì ko có sự khác biệt về phương sai. Ok phân tích sâu tiếp. 2. Bảng ANOVA, kiểm tra sig
                                               • Multiple comparison table
                                                 • Sig.
                                                   • Sig > 0.05
                                                     • No difference between the sets of data
                                                   • Sig < 0.05
                                                     • There's a difference between the sets of data
                                       • Sig > 0.05
                                         • There is NO significant difference
                                     • DON'T FORGET
                                       • Select Post Hoc&nbsp; Tick Tukey Continue
                           • Repeated Measures
                             • ONE FACTOR REPEATED MEASURES ANOVA
                       • Two
                         • What is the experimental model?
                           • Independent
                             • TWO WAY ANOVA
                               • Analyse
                                 • General linear models
                                   • Univariate
                                     • Sig.
                                       • Sig > 0.05
                                         • There is no main/interaction effect
                                       • Sig < 0.05
                                         • There's main/interaction effect
                                           • What post Hoc tests are used here?
                                             • Independent t-test
                                             • One Way Anova
                           • Repeated measures
                             • TWO FACTOR REPEATED MEASURES ANOVA
       • Sig < 0.05
         • NO
           • How is data reported?
             • Data is reported as Median (Range)
               • Analyse
                 • Descriptive statistics
                   • Frequencies
           • How is data compared?
             • Data is compared using Non-Parametric statistical tests
               • What type of data is it?
                 • Continuous
                   • How many medians are there?
                     • 2
                       • What is the experimental Model?
                         • Independent
                           • Mann-Whitney U Test
                             • Analyse
                               • Nonparametric
                                 • 2 Independent samples
                                   • DONT FORGET
                                     • Define groups:&nbsp; Group1:1 Group2: 2
                                   • Test Stat Table
                                     • Sig. 2-tailed
                                       • sig > 0.05
                                         • there's NO sig diff
                                       • sig < 0.05
                                         • There's a sig diff
                         • Repeated Measures
                           • Wilcoxon
                             • Analyse
                               • Non Para
                                 • 2 Related samples
                     • 3 +
                       • What is the experimental model?
                         • Independent
                           • Kruskal-Wallace
                             • Analyse
                               • Non Para
                                 • Legacy dialoge
                                   • K independent samples
                                     • DONT FORGET
                                       • Define groups:&nbsp; Minimum: 1 Maximum: 3
                                     • Post Hoc Test?
                                       • Mann-WhitneyU
                                       • Wilcoxon
                         • Repeated Measures
                           • Friedman
                             • K Related Samples
                 • Discontinuous
                   • Chisquare
                     • Dùng để kiểm định có hay không mối quan hệ giữa hai biến độc lập. Ví dụ kiểm tra xem giới tính ( nam, nữ ) có quan hệ với học vấn ( cao đẳng, đại học, sau đại học ) không ? Lưu ý khi dùng spss trong bảng crosstab nếu có &gt; 20% expected value nhỏ hơn 5 thì chi square vô nghĩa.