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Table 2 Reliability, aggregate validity and discriminant validity of TCM variables

From: Healthy physical education curriculum model and students’ extracurricular sports participation ——test based on the trans-contextual model of motivation

Dimension

Item

IR

CR

AVE

Discriminant Validity

NS

RAI-PE

RAI-LT

INT

ATT

SN

PBC

PA-LT

NS

3

0.713–0.824

0.793

0.632

0.795

       

RAI-PE

5

0.627–0.786

0.705

0.588

0.346

0.767

      

RAI-LT

5

0.633–0.776

0.716

0.539

0.253

0.409

0.734

     

INT

3

0.766–0.835

0.783

0.615

0.217

0.208

0.212

0.784

    

ATT

3

0.685–0.769

0.789

0.603

0.198

0.188

0.345

0.510

0.777

   

SN

3

0.574–0.718

0.634

0.472

0.121

0.087

0.127

0.137

0.219

0.687

  

PBC

3

0.671–0.739

0.675

0.501

0.169

0.197

0.357

0.485

0.446

0.266

0.709

 

PA-LT

3

0.675–0.820

0.692

0.577

0.152

0.211

0.367

0.382

0.385

0.114

0.347

0.760

  1. IR item reliability, CR composite reliability, NS perceived need support in PE; According to Fornell and larcker’s recommendations [17], the bold numbers in the table are the square root of AVE (mean variance extraction), and the lower triangle are the pearson correlation between dimensions