Posted: August 1st, 2023

T-Test Missing Value Handling Definition of Missing

T-Test

Notes
Output Created 13-APR-2022 20:47:29
Comments
Input Data /Users/danielsaravia/Dropbox/My Mac (Daniel’s MacBook Pro (2))/Downloads/PSY321data_JT (1).sav
Active Dataset DataSet1
Filter
Weight
Split File
N of Rows in Working Data File 2605
Missing Value Handling Definition of Missing User defined missing values are treated as missing.
Cases Used Statistics for each analysis are based on the cases with no missing or out-of-range data for any variable in the analysis.
Syntax T-TEST GROUPS=gender(0 1)
/MISSING=ANALYSIS
/VARIABLES=selfesteem
/ES DISPLAY(TRUE)
/CRITERIA=CI(.95).
Resources Processor Time 00:00:00.05
Elapsed Time 00:00:00.00

Group Statistics
gender N Mean Std. Deviation Std. Error Mean
Self-Esteem male 801 2.5985 .29230 .01033
female 1804 2.6045 .27943 .00658

Independent Samples Test
Levene’s Test for Equality of Variances t-test for Equality of Means
F Sig. t df Significance
One-Sided p
Self-Esteem Equal variances assumed 1.023 .312 -.495 2603 .310
Equal variances not assumed -.487 1473.312 .313

Independent Samples Test
t-test for Equality of Means
Significance Mean Difference Std. Error Difference 95% Confidence Interval of the Difference
Two-Sided p Lower Upper
Self-Esteem Equal variances assumed .620 -.00596 .01203 -.02956 .01764
Equal variances not assumed .626 -.00596 .01225 -.02998 .01806

Independent Samples Effect Sizes
Standardizera Point Estimate 95% Confidence Interval
Lower Upper
Self-Esteem Cohen’s d .28345 -.021 -.104 .062
Hedges’ correction .28353 -.021 -.104 .062
Glass’s delta .27943 -.021 -.105 .062

a. The denominator used in estimating the effect sizes.
Cohen’s d uses the pooled standard deviation.
Hedges’ correction uses the pooled standard deviation, plus a correction factor.
Glass’s delta uses the sample standard deviation of the control group.

Oneway

Notes
Output Created 13-APR-2022 20:47:29
Comments
Input Data /Users/danielsaravia/Dropbox/My Mac (Daniel’s MacBook Pro (2))/Downloads/PSY321data_JT (1).sav
Active Dataset DataSet1
Filter
Weight
Split File
N of Rows in Working Data File 2605
Missing Value Handling Definition of Missing User-defined missing values are treated as missing.
Cases Used Statistics for each analysis are based on cases with no missing data for any variable in the analysis.
Syntax ONEWAY selfesteem BY ethnic
/STATISTICS DESCRIPTIVES
/MISSING ANALYSIS
/CRITERIA=CILEVEL(0.95)
/POSTHOC=TUKEY LSD ALPHA(0.05).
Resources Processor Time 00:00:00.06
Elapsed Time 00:00:00.00

Descriptives
Self-Esteem
N Mean Std. Deviation Std. Error 95% Confidence Interval for Mean Minimum
Lower Bound Upper Bound
african american/black 177 2.5447 .30939 .02326 2.4988 2.5906 1.30
asian 494 2.6575 .29965 .01348 2.6310 2.6840 1.50
hispanic/latino 1934 2.5939 .27465 .00625 2.5817 2.6062 1.00
Total 2605 2.6026 .28340 .00555 2.5917 2.6135 1.00

Descriptives
Self-Esteem
Maximum

african american/black 3.44
asian 4.00
hispanic/latino 4.00
Total 4.00

ANOVA
Self-Esteem
Sum of Squares df Mean Square F Sig.
Between Groups 2.229 2 1.114 14.012 <.001
Within Groups 206.920 2602 .080
Total 209.148 2604

Post Hoc Tests

Multiple Comparisons
Dependent Variable: Self-Esteem
(I) ethnic (J) ethnic Mean Difference (I-J) Std. Error Sig. 95% Confidence Interval
Lower Bound
Tukey HSD african american/black asian -.11280* .02470 <.001 -.1707
hispanic/latino -.04921 .02215 .068 -.1011
asian african american/black .11280* .02470 <.001 .0549
hispanic/latino .06360* .01422 <.001 .0303
hispanic/latino african american/black .04921 .02215 .068 -.0027
asian -.06360* .01422 <.001 -.0969
LSD african american/black asian -.11280* .02470 <.001 -.1612
hispanic/latino -.04921* .02215 .026 -.0926
asian african american/black .11280* .02470 <.001 .0644
hispanic/latino .06360* .01422 <.001 .0357
hispanic/latino african american/black .04921* .02215 .026 .0058
asian -.06360* .01422 <.001 -.0915

Multiple Comparisons
Dependent Variable: Self-Esteem
(I) ethnic (J) ethnic 95% Confidence Interval
Upper Bound
Tukey HSD african american/black asian -.0549
hispanic/latino .0027
asian african american/black .1707
hispanic/latino .0969
hispanic/latino african american/black .1011
asian -.0303
LSD african american/black asian -.0644
hispanic/latino -.0058
asian african american/black .1612
hispanic/latino .0915
hispanic/latino african american/black .0926
asian -.0357

*. The mean difference is significant at the 0.05 level.

Homogeneous Subsets

Self-Esteem
ethnic N Subset for alpha = 0.05
1 2 3
Tukey HSDa,b african american/black 177 2.5447
hispanic/latino 1934 2.5939
asian 494 2.6575
Sig. 1.000 1.000 1.000

Means for groups in homogeneous subsets are displayed.
a. Uses Harmonic Mean Sample Size = 366.252.
b. The group sizes are unequal. The harmonic mean of the group sizes is used. Type I error levels are not guaranteed.

Correlations

Notes
Output Created 13-APR-2022 20:47:29
Comments
Input Data /Users/danielsaravia/Dropbox/My Mac (Daniel’s MacBook Pro (2))/Downloads/PSY321data_JT (1).sav
Active Dataset DataSet1
Filter
Weight
Split File
N of Rows in Working Data File 2605
Missing Value Handling Definition of Missing User-defined missing values are treated as missing.
Cases Used Statistics for each pair of variables are based on all the cases with valid data for that pair.
Syntax CORRELATIONS
/VARIABLES=discrimination selfesteem
/PRINT=TWOTAIL NOSIG FULL
/MISSING=PAIRWISE.
Resources Processor Time 00:00:00.04
Elapsed Time 00:00:00.00

Correlations
Ethnic Discrimination Self-Esteem
Ethnic Discrimination Pearson Correlation 1 .126**
Sig. (2-tailed) <.001
N 2605 2605
Self-Esteem Pearson Correlation .126** 1
Sig. (2-tailed) <.001
N 2605 2605

**. Correlation is significant at the 0.01 level (2-tailed).

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