| Index |
Research period |
Quantity of participants |
Age of participants |
Level of mental retarded participants |
| 1. recognizing the first letter in the word |
Spring, 2020 – 15 ppl, Autumn, 2020 – 20 ppl |
35 ppl, 30 boys & 5 girls |
8 y.o. – 15 ppl, 9 y.o – 7 ppl, 10 y.o – 5 ppl, 11 y.o – 6 ppl, 12 y.o - 2 ppl |
mild mental retardation – 22 ppl, moderate mental retardation – 13 ppl |
| 2. recognizing the last letter in the word |
Spring, 2020 – 11 ppl, Autumn, 2020 – 16 ppl |
27 ppl, 18 boys & 9 girls |
8 y.o – 15 ppl, 9 y.o – 5 ppl, 10 y.o – 4 ppl, 11 y.o – 3 ppl |
mild mental retardation – 20 ppl, moderate mental retardation – 7 ppl |
| 3. syllables reading |
Autumn, 2018 |
27 ppl, 23 boys & 4 girls |
9 y.o – 1 person., 10 y.o – 3 ppl., 11 y.o – 6 ppl, 12 y.o – 6 ppl, 13 y.o – 5 ppl, 15 y.o – 6 ppl |
moderate mental retardation – 27 ppl |
| 4. word reading |
Spring, 2019 |
30 ppl, 18 boys & 12 girls |
10 y.o – 1 person, 11 y.o – 6 ppl, 12 y.o – 8 ppl, 13 y.o – 10 ppl, 14 y.o – 5 ppl |
moderate mental retardation – 30 ppl |
