spss -- correlation

student
score 84 82 76 60 72 74 76 84 88 90
fifth 1 0 0 0 0 0 0 1 1 1
student 11 12 13 14 15 16 17 18 19 20
score 78 80 92 94 96 88 90 78 76 74
fifth 1 0 1 1 1 1 1 0 0 0
Spearman Correlation
An Example

Two psychologists (X and Y) ranked the creativity of 10 students. The ranks are shown in the following table. To what extent the two sets of rankings correlate?
Practice
To what extent tension predicts heart rate according to the following data?
Results

为了求得紧张水平在多大程度上可以预测心 率，我们用皮尔逊相关对这两个变量进行了相 关分析。结果表明，这两个变量显著相关， r(10) = +.82, p =.003<.01。
Practice

The following data represent a tutor’s ranking of ten clinical psychology students as to their suitability for their career and their knowledge of psychology. To what extent the two rankings were related? 4 10 3 1 9 2 6 7 8 5

The following table shows the data of 10 13-year old boys’ height (身高, X），lung capacity (肺活量, Y）, and weight (体重, Z）. Please calculate the correlation coefficient of height and vital capacity when controlling for weight, and the correlation coefficient of weight and vital capacity when controlling for height.X来自123
4
5
6
7
8
9
10
Y
5
8
2
1
10
4
9
3
6
7
SPSS output
Results

为了求得两位心理学家对10名学生创造能力的 等级评判的相关程度，我们用斯皮尔曼相关对他 们的评判结果进行了相关分析。结果表明，他们 的评判相关不显著，其相关系数r (10) = +.16, p =.65>.05。
Time1 76 50
80
65
90
48
55
81
32
76
Time2 80 53
90
78
86
70
48
76
30
55
Results

为了求得第一次测得的某种特质在多大程度上 可以预测第二次测得的该种特质，我们用皮尔 逊相关对这两次测试分数进行了相关分析。结 果表明，两次测试分数显著相关，r(10) = +.80, p =.006<.01。
Career suitability
Psychology 5
8
6
2
10
3
9
4
7
1
Results

为了求得10名心理咨询专业学生的专业适合性及 其对心理学知识的掌握之间的相关，我们用斯皮 尔曼相关对老师给这10名学生在这两方面的评定 进行了相关分析。结果表明，该老师在这两方面 的评定显著相关，其相关系数 r (10) = +.69, p =.029<.05。
Kendall coefficient of concordance

Five graders ranked seven papers. See the following table for the rankings. To what extent the five graders’ evaluation was consistent?

为了求得五位评分者对七篇作文的评价是否具 有一致性，我们用肯德尔相关计算了评分者的 一致性程度。统计结果表明，五位评分者对七 篇作文的评价很一致，W=0.80，p=.001.
Practice

P160 【例7-5】
Point-biserial correlation -- Example


Results


当没有控制体重时，身高与肺活量之间的相关系数 r =.53， p=.118, 相关不显著。当控制体重时，身 高与肺活量之间的偏相关系数r=.01,p=.97.说明在 控制体重后，身高与肺活量之间的相关大大降低 了，但是两个相关都不显著。 当没有控制身高时，体重与肺活量之间的相关系数 r=.81， p=.005<.01，相关显著。当控制身高时， 体重与肺活量之间的偏相关系数r=.72， p=.028<.05，相关也显著。说明不管控不控制身 高，体重与肺活量之间的相关都显著。
17493102685psychology58762913104careersuitabilityresults?为了求得10名心理咨询专业学生的专业适合性及其对心理学知识的掌握之间的相关我们用斯皮尔曼相关对老师给这10名学生在这两方面的评定进行了相关分析
Pearson Correlation in SPSS
1 2 3 4 5 6 7 8 9 10
结果解释

为了求得第五题与总分之间的相关，我们用积 差相关计算了第五题与总分之间的相关。统计 结果表明，这两者之间的相关显著，其相关系 数r=0.79，p<.001.
Practice

Are the following grade related to gender?
An Example

10 participants’ certain psychological traits were tested twice. The results are shown in the following table。 Please calculate to what extent they correlate. 1 2 3 4 5 6 7 8 9 10
paper1 paper2 paper3 paper4 paper5 paper6 paper7 1 4 2 5 3 3.5 4 5 5 4 1 1 1.5 2 1 2.5 2 1.5 2 2 6 5 5 4 5 2.5 3 3.5 2 3 5 5 1 6 6 7 7 6 7 7
结果解释
grade 1 2 3 4 5 6 7 8 9 10 83 91 95 84 89 87 86 85 88 92
gender Male Female Female Male Female Male Male Male Female Female
Partial Correlation
An example
One test answered with “Yes” or “No”. 2-point for each question, 50 items in total. The total score is 100. The following table shows 20 students’ scores and their answers for the fifth question. To what extent the fifth question were related to the scores? 1 = correct answer 0 = wrong answer