Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Part II: Use ClassData dataset (see eLearning SPSS Practice Datasets) to complete the following questions. (Output is in the attachment in eLearning) Researchers are interested

Part II: Use ClassData dataset (see eLearning SPSS Practice Datasets) to complete the following questions. (Output is in the attachment in eLearning)

Researchers are interested to investigate whether Group, Time, and interaction effect (Time Group) differences on the intensity of physical activity (steps per minute) measured on the right side of the body.

Running SPSS to perform the propriate test and generate the results. (Please see the last page for the Syntax.)

6) Write down the statistical conclusion

Overall ANOVA:

  • Interaction
  • Main Effect A
  • Main Effect B

Main Effect A

  • ANOVA Test
  • Post Hoc Comparisons/Paired T tests

Main Effect B

  • ANOVA Test
  • Post Hoc Comparisons/ Paired T tests

8) Write down the practical conclusion (usually associated with your scientific hypothesis/Alternative hypothesis)

General Linear Model

Notes

Output Created

13-APR-2020 23:20:20

Comments

Input

Data

/Users/rs/Desktop/HPHE 6920_2020 Spring/Dataset/ClassData.sav

Active Dataset

DataSet1

Filter

Weight

Split File

N of Rows in Working Data File

58

Missing Value Handling

Definition of Missing

User-defined missing values are treated as missing.

Cases Used

Statistics are based on all cases with valid data for all variables in the model.

Syntax

GLM a2r a3r a4r BY group /WSFACTOR=Time 3 Polynomial /METHOD=SSTYPE(3) /PLOT=PROFILE(Time Time*group) TYPE=LINE ERRORBAR=NO MEANREFERENCE=NO YAXIS=AUTO /POSTHOC=group(TUKEY) /PRINT=DESCRIPTIVE ETASQ HOMOGENEITY /PLOT=PROFILE(group) TYPE=BAR ERRORBAR=NO MEANREFERENCE=NO YAXIS=AUTO /CRITERIA=ALPHA(.05) /WSDESIGN=Time /DESIGN=group.

Resources

Processor Time

00:00:00.43

Elapsed Time

00:00:00.00

Within-Subjects Factors

Measure: MEASURE_1

Time

Dependent Variable

1

a2r

2

a3r

3

a4r

Between-Subjects Factors

N

group

1.00

20

2.00

21

3.00

17

Descriptive Statistics

group

Mean

Std. Deviation

N

low day2 right

1.00

3449.2000

1282.00577

20

2.00

2790.4762

851.86029

21

3.00

4664.6471

1662.27479

17

Total

3566.9483

1471.20598

58

low day3 right

1.00

2324.9500

1369.62721

20

2.00

2506.5238

627.83100

21

3.00

4088.7647

1187.85718

17

Total

2907.6724

1324.44282

58

low day4 right

1.00

2743.9500

806.97150

20

2.00

2821.4286

1237.47806

21

3.00

3932.2941

1332.13179

17

Total

3120.3103

1237.64332

58

Box's Test of Equality of Covariance Matricesa

Box's M

34.539

F

2.647

df1

12

df2

13518.022

Sig.

.002

Tests the null hypothesis that the observed covariance matrices of the dependent variables are equal across groups.a

a. Design: Intercept + group Within Subjects Design: Time

Multivariate Testsa

Effect

Value

F

Hypothesis df

Error df

Sig.

Partial Eta Squared

Time

Pillai's Trace

.461

23.084b

2.000

54.000

.000

.461

Wilks' Lambda

.539

23.084b

2.000

54.000

.000

.461

Hotelling's Trace

.855

23.084b

2.000

54.000

.000

.461

Roy's Largest Root

.855

23.084b

2.000

54.000

.000

.461

Time * group

Pillai's Trace

.239

3.724

4.000

110.000

.007

.119

Wilks' Lambda

.769

3.782b

4.000

108.000

.006

.123

Hotelling's Trace

.290

3.837

4.000

106.000

.006

.126

Roy's Largest Root

.248

6.833c

2.000

55.000

.002

.199

a. Design: Intercept + group Within Subjects Design: Time
b. Exact statistic
c. The statistic is an upper bound on F that yields a lower bound on the significance level.

Mauchly's Test of Sphericitya

Measure: MEASURE_1

Within Subjects Effect

Mauchly's W

Approx. Chi-Square

df

Sig.

Epsilonb

Greenhouse-Geisser

Huynh-Feldt

Lower-bound

Time

.601

27.504

2

.000

.715

.755

.500

Tests the null hypothesis that the error covariance matrix of the orthonormalized transformed dependent variables is proportional to an identity matrix.a

a. Design: Intercept + group Within Subjects Design: Time
b. May be used to adjust the degrees of freedom for the averaged tests of significance. Corrected tests are displayed in the Tests of Within-Subjects Effects table.

Tests of Within-Subjects Effects

Measure: MEASURE_1

Source

Type III Sum of Squares

df

Mean Square

F

Sig.

Partial Eta Squared

Time

Sphericity Assumed

13314125.377

2

6657062.689

10.501

.000

.160

Greenhouse-Geisser

13314125.377

1.429

9313936.732

10.501

.000

.160

Huynh-Feldt

13314125.377

1.510

8815274.109

10.501

.000

.160

Lower-bound

13314125.377

1.000

13314125.377

10.501

.002

.160

Time * group

Sphericity Assumed

6101069.761

4

1525267.440

2.406

.054

.080

Greenhouse-Geisser

6101069.761

2.859

2134010.915

2.406

.076

.080

Huynh-Feldt

6101069.761

3.021

2019757.242

2.406

.073

.080

Lower-bound

6101069.761

2.000

3050534.880

2.406

.100

.080

Error(Time)

Sphericity Assumed

69734561.699

110

633950.561

Greenhouse-Geisser

69734561.699

78.622

886964.070

Huynh-Feldt

69734561.699

83.069

839476.542

Lower-bound

69734561.699

55.000

1267901.122

Tests of Within-Subjects Contrasts

Measure: MEASURE_1

Source

Time

Type III Sum of Squares

df

Mean Square

F

Sig.

Partial Eta Squared

Time

Linear

6323936.348

1

6323936.348

6.454

.014

.105

Quadratic

6990189.029

1

6990189.029

24.266

.000

.306

Time * group

Linear

3757654.406

2

1878827.203

1.917

.157

.065

Quadratic

2343415.355

2

1171707.677

4.068

.023

.129

Error(Time)

Linear

53891071.292

55

979837.660

Quadratic

15843490.407

55

288063.462

Levene's Test of Equality of Error Variancesa

Levene Statistic

df1

df2

Sig.

low day2 right

Based on Mean

3.043

2

55

.056

Based on Median

2.925

2

55

.062

Based on Median and with adjusted df

2.925

2

47.370

.063

Based on trimmed mean

3.025

2

55

.057

low day3 right

Based on Mean

1.697

2

55

.193

Based on Median

1.238

2

55

.298

Based on Median and with adjusted df

1.238

2

36.082

.302

Based on trimmed mean

1.358

2

55

.266

low day4 right

Based on Mean

1.847

2

55

.167

Based on Median

1.417

2

55

.251

Based on Median and with adjusted df

1.417

2

47.305

.253

Based on trimmed mean

1.860

2

55

.165

Tests the null hypothesis that the error variance of the dependent variable is equal across groups.a

a. Design: Intercept + group Within Subjects Design: Time

Tests of Between-Subjects Effects

Measure: MEASURE_1

Transformed Variable: Average

Source

Type III Sum of Squares

df

Mean Square

F

Sig.

Partial Eta Squared

Intercept

1831968103.315

1

1831968103.315

638.880

.000

.921

group

77123889.084

2

38561944.542

13.448

.000

.328

Error

157710817.491

55

2867469.409

Post Hoc Tests

group

Multiple Comparisons

Measure: MEASURE_1

Tukey HSD

(I) group

(J) group

Mean Difference (I-J)

Std. Error

Sig.

95% Confidence Interval

Lower Bound

Upper Bound

1.00

2.00

133.2238

305.46120

.901

-602.5562

869.0038

3.00

-1389.2020*

322.51519

.000

-2166.0608

-612.3431

2.00

1.00

-133.2238

305.46120

.901

-869.0038

602.5562

3.00

-1522.4258*

318.96752

.000

-2290.7391

-754.1124

3.00

1.00

1389.2020*

322.51519

.000

612.3431

2166.0608

2.00

1522.4258*

318.96752

.000

754.1124

2290.7391

Based on observed means. The error term is Mean Square(Error) = 955823.136.

*. The mean difference is significant at the

Homogeneous Subsets

MEASURE_1

Tukey HSDa,b,c

group

N

Subset

1

2

2.00

21

2706.1429

1.00

20

2839.3667

3.00

17

4228.5686

Sig.

.907

1.000

Means for groups in homogeneous subsets are displayed. Based on observed means. The error term is Mean Square(Error) = 955823.136.

a. Uses Harmonic Mean Sample Size = 19.176.
b. The group sizes are unequal. The harmonic mean of the group sizes is used. Type I error levels are not guaranteed.
c. Alpha =

Profile Plots

T-TEST PAIRS=a2r a2r a3l WITH a3l a4r a4r (PAIRED)

/CRITERIA=CI(.9500)

/MISSING=ANALYSIS.

T-Test

Notes

Output Created

13-APR-2020 23:20:20

Comments

Input

Data

/Users/rs/Desktop/HPHE 6920_2020 Spring/Dataset/ClassData.sav

Active Dataset

DataSet1

Filter

Weight

Split File

N of Rows in Working Data File

58

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 PAIRS=a2r a2r a3l WITH a3l a4r a4r (PAIRED) /CRITERIA=CI(.9500) /MISSING=ANALYSIS.

Resources

Processor Time

00:00:00.00

Elapsed Time

00:00:00.00

Paired Samples Statistics

Mean

N

Std. Deviation

Std. Error Mean

Pair 1

low day2 right

3566.9483

58

1471.20598

193.17881

low day3 left

3009.5517

58

1391.12743

182.66398

Pair 2

low day2 right

3566.9483

58

1471.20598

193.17881

low day4 right

3120.3103

58

1237.64332

162.51053

Pair 3

low day3 left

3009.5517

58

1391.12743

182.66398

low day4 right

3120.3103

58

1237.64332

162.51053

Paired Samples Correlations

N

Correlation

Sig.

Pair 1

low day2 right & low day3 left

58

.769

.000

Pair 2

low day2 right & low day4 right

58

.460

.000

Pair 3

low day3 left & low day4 right

58

.644

.000

Paired Samples Test

Paired Differences

t

Mean

Std. Deviation

Std. Error Mean

95% Confidence Interval of the Difference

Lower

Upper

Pair 1

low day2 right - low day3 left

557.39655

976.47407

128.21733

300.64578

814.14732

4.347

Pair 2

low day2 right - low day4 right

446.63793

1422.23848

186.74906

72.67938

820.59648

2.392

Pair 3

low day3 left - low day4 right

-110.75862

1117.30957

146.70993

-404.54020

183.02296

-.755

Paired Samples Test

df

Sig. (2-tailed)

Pair 1

low day2 right - low day3 left

57

.000

Pair 2

low day2 right - low day4 right

57

.020

Pair 3

low day3 left - low day4 right

57

.453

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Math In Plain English Literacy Strategies For The Mathematics Classroom

Authors: Amy Benjamin

1st Edition

1317926757, 9781317926757

More Books

Students also viewed these Mathematics questions

Question

How can aeolian landscapes be used to constrain atmospheric models?

Answered: 1 week ago