Test

Formal operational

(n = 30)

Concrete operational

(n = 30)

Down’s Syndrome

(n = 30)

95% CL

95% CL

95% CL

p

UCL

LCL

p

UCL

LCL

p

UCL

LCL

SA

NE

ρ

−0.908*

0.000

−0.957

−0.811

ρ

−0.527*

0.003

−0.751

−0.196

ρ

−0.176

0.353

−0.513

0.208

NA

ρ

−0.589*

0.001

−0.788

−0.280

ρ

−0.436*

0.016

−0.694

0.078

ρ

0.138

0.468

−0.245

0.483

MT

r

−0.964*

0.000

−0.983

−0.924

ρ

−0.461*

0.010

−0.710

−0.110

ρ

0.345

0.062

−0.029

0.634

STM

RAa

ρ

0.759*

0.000

0.541

0.882

ρ

0.468*

0.009

0.715

0.119

ρ

−0.122

0.520

−0.471

0.260

RAb

r

0.851*

0.000

0.707

0.927

ρ

0.136

0.473

−0.246

0.482

ρ

−0.150

0.430

−0.493

0.233

TRA

r

0.970*

0.000

0.937

0.986

ρ

0.203

0.281

−0.180

0.533

ρ

−0.124

0.515

−0.472

0.258

SHA

NEa

ρ

−0.641*

0.000

−0.817

−0.355

ρ

−0.289

0.122

−0.595

0.091

ρ

0.319

0.086

−0.058

0.616

NAa

ρ

−0.520*

0.003

−0.746

−0.186

ρ

−0.275

0.142

−0.585

0.106

ρ

−0.091

0.633

−0.446

0.289

TTa

ρ

−0.999*

0.000

−1.000

−0.998

ρ

−0.110

0.564

−0.461

0.271

ρ

0.339

0.067

−0.036

0.630

NEb

ρ

−0.767*

0.000

−0.886

−0.554

ρ

−0.249

0.185

−0.567

0.133

ρ

0.306

0.100

−0.072

0.607

NAb

ρ

−0.696*

0.000

−0.848

−0.439

ρ

−0.186

0.324

−0.521

0.197

ρ

0.151

0.427

−0.232

0.493

TTb

r

−0.949*

0.000

−0.976

−0.894

ρ

−0.270

0.149

−0.582

0.111

ρ

0.031

0.869

−0.343

0.397