Scanning method is to scan the whole group of animals quickly every once in a while and record the behavior of animals at the moment they see them. It is usually used to record some behaviors of animals, or whether a special behavior has occurred and whether animals are resting and sleeping. Time: a few seconds, a few minutes. Defect: Some behaviors are not easy to see, resulting in deviation.
Early education is the abbreviation of early education, which is implemented by adults to infants. Many people think that early education refers to preschool education. However, this is not a more scientific explanation. In fact, it refers to children's psychological needs and various characteristics before entering primary school to learn knowledge, according to their sensitive period.