Thousands of books have been written about how children develop and how to raise them. But nothing compares to your own observations and conclusions, especially if they are made on time. With this book, you can reproduce at home classic experiments from the field of child psychology that help you understand how your baby thinks - from infancy to seven years. The results of such experiments have the most practical significance: now you can avoid children's tantrums, reduce the consumption of sweets, and give a start to the development of memory and responsibility. And in addition, you will receive the incomparable pleasure of a researcher. Published in Russian for the first time. 3rd trimester of pregnancy: checking the baby’s memory 0–3 weeks: checking learning ability, social development 0–3 months: checking motor skills 0–4 months : social skills testing 2-5 months: motor skills testing 2-8 months: learning skills testing 3-6 months: learning and memory testing 3-12 months: motor skills testing 7-9 months: problem-solving skills testing 8-10 months: problem-solving skills testing problems 10-12 months: testing social skills 12-14 months: testing language development and social skills 12-18 months: testing social development 12-18 months: testing problem-solving skills 12-24 months: testing speech development 14-18 months: testing social skills, learning ability, memory 14-18 months: testing social skills 14-24 months: testing motor and problem-solving skills 14-24 months: testing language development 15-24 months: testing language development 15-24 months: testing social skills 2 years: testing physical development 2-6 years: testing problem solving skills 2.5–4 years: testing social skills 2.5–4 years: testing social skills 3–4 years: testing memory 3–4 years: testing problem solving skills 3–5 years: testing social skills 3–7 years: testing problem solving skills and categorization, mathematical abilities 3–7 years: we test social skills 3 years and older: we test memory and the ability to use symbols 4–5 years: we test the ability to set goals, self-control 4 years and older: we test creativity