Subtopics

Age

Mean

SD

df

t

p-value

Concepts of comparison

< 4.5

2.11

1.641

38

−1.537

0.133

> 4.5

3.00

1.952

Classification

< 4.5

1.11

1.568

38

−0.817

0.419

> 4.5

1.50

1.439

One-to-one correspondence

< 4.5

1.61

1.290

38

−2.770

0.009*

> 4.5

2.77

1.343

Seriation

< 4.5

0.83

0.857

38

−0.207

0.837

> 4.5

0.91

1.342

Piagetian subscale (relational skills)

< 4.5

5.66

4.588

38

−1.655

0.106

> 4.5

8.18

4.934

Using number words

< 4.5

0.72

1.018

38

−0.266

0.792

> 4.5

0.82

1.220

Structured counting

< 4.5

0.72

1.364

38

−0.116

0.908

> 4.5

0.77

1.378

Resultative counting

< 4.5

0.33

1.029

38

−0.218

0.828

> 4.5

0.41

1.141

Applying general knowledge of numbers in real-life situations

< 4.5

1.06

1.056

38

−2.142

0.039*

> 4.5

1.86

1.283

Gelman subscale (counting skills)

< 4.5

2.83

3.869

38

−0.815

0.420

> 4.5

3.86

4.062