Descriptive Statistics of Correct Answers | |||||
Subtopics | M | SD | Minimum/Maximum | Skewness | Kurtosis |
Concepts of comparison | 2.60 | 1.851 | 0/5 | 0.380 | −1.500 |
Classification | 1.32 | 1.492 | 0/5 | 1.066 | 0.290 |
One-to-one correspondence | 2.25 | 1.428 | 0/5 | 0.424 | −0.955 |
Seriation | 0.87 | 1.137 | 0/4 | 1.250 | 0.990 |
Piagetian subscale (relational skills) | 7.05 | 4.888 | 0/18 | 0.829 | 0.093 |
Using number words | 0.77 | 1.121 | 0/3 | 1.161 | −0.164 |
Structured counting | 0.75 | 1.354 | 0/5 | 1.982 | 3.386 |
Resultative counting | 0.37 | 1.079 | 0/5 | 3.309 | 11.009 |
Applying general knowledge of numbers in real-life situations | 1.50 | 1.240 | 0/4 | 0.636 | −0.421 |
Gelman subscale (counting skills) | 3.40 | 3.960 | 0/16 | 2.000 | 3.777 |