2 Results/Discussion

Descriptives

Notes

Output Created

Comments

Input Data

Active Dataset

Filter

Weight

Split File N of Rows in Working Data File

Missing Value Handling Definition of Missing

Cases Used

Syntax

Resources Processor Time

Elapsed Time

23-JUL-2023 13:52:24

/Users/yuntang/Downloads/P aper 2 - Group 1 sav-1 (1)....

DataSet3

<none>

<none>

<none>

9 4

User defined missing values are treated as missing.

All non-missing data are used.

DESCRIPTIVES VARIABLES=anx_score

/STATISTICS=MEAN STDDEV MIN MAX.

00:00:00.01

00:00:00.00

[DataSet3] /Users/yuntang/Downloads/Paper 2 - Group 1 sav-1 (1).sav

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation

Anxiety score

Valid N (listwise)

9 4 1.00 4.00 2.6578 .68408

9 4

T-Test

Page 1

Notes

Output Created

Comments

Input Data

Active Dataset

Filter

Weight

Split File N of Rows in Working Data File

Missing Value Handling Definition of Missing

Cases Used

Syntax

Resources Processor Time

Elapsed Time

23-JUL-2023 13:53:06

/Users/yuntang/Downloads/P aper 2 - Group 1 sav-1 (1)....

DataSet3

<none>

<none>

<none>

9 4

User defined missing values are treated as missing.

Statistics for each analysis are based on the cases with no

missing or out-of-range data for any variable in the

analysis.

T-TEST GROUPS=condition(1 0)

/MISSING=ANALYSIS /VARIABLES=anx_score

/ES DISPLAY(TRUE) /CRITERIA=CI(.95).

00:00:00.02

00:00:00.00

Group Statistics

condition N Mean Std. Deviation Std. Error

Mean

Anxiety score exam

quiz

4 3 2.8450 .67298 .10263

5 1 2.5000 .65912 .09230

Independent Samples Test

Levene's Test for Equality of Variances t-test for Equality of Means

F Sig. t d f Significance One-Sided p

Anxiety score Equal variances assumed

Equal variances not assumed

.058 .811 2.504 9 2 .007 .014

2.499 88.683 .007 .014

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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

Anxiety score Equal variances assumed

Equal variances not assumed

.014 .34496 .13778 .07132 .61860

.014 .34496 .13803 .07069 .61923

Independent Samples Effect Sizes

Standardizera Point Estimate 95% Confidence Interval

Lower Upper

Anxiety score Cohen's d

Hedges' correction

Glass's delta

.66549 .518 .104 .930

.67097 .514 .104 .922

.65912 .523 .102 .939

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.

a.

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