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Analgin Tablets

Related article: looked in the small tent. Believing the miniature to actually be the original tent after shrinking, they successfully retrieved the hidden toy. Unlike in our scale model experiment, they had no dual representation to master: the small tent was the same as the large tent, and thus the toy was where it should be, according to the toddlers' view of the world. Understanding the role of dual representation in how young children use symbols has important practical applications. One has to do with the practice of using dolls to interview young children in cases of suspected sexual abuse. The victims of abuse are often very young children, who are quite difficult to interview. Consequently, many professionals--including police officers, social workers and mental health professionals--employ anatomically detailed dolls, assuming that a young child will have an easier time describing what happened using a doll. Notice that this assumption entails the further assumption that a young child will be able to think of this object as both a doll and a representation of himself or herself. These assumptions have been called into question by Maggie Bruck of Johns Hopkins University, Stephen J. Ceci of Cornell University, Peter A. Ornstein of the University of North Carolina at Chapel Hill and their many colleagues. In several independent studies, these investigators have asked preschool children to report what they remember about a checkup with their pediatrician, which either had or had not included a genital check. Anatomically detailed dolls were sometimes used to question the children, sometimes not. In general, the children's reports were more accurate when they were questioned without a doll, and they were more likely to falsely report genital touching when a doll was used. Based on my research documenting young children's difficulty interpreting symbolic objects, I suspected that very young children might not be able to relate their own body to a doll. In a series of studies in my lab using an extremely simple mapping task, Catherine Smith placed a sticker somewhere on a child--on a shoulder or foot, for example--and asked the child to place a smaller version of the sticker in the same place on a doll. Children between three and three-and-a-half usually placed the sticker correctly, but children younger than three were correct less than half the time. The fact that these very young children cannot relate their own body to the doll's in this extremely simple situation with no memory demands and no emotional involvement supports the general case against the use of anatomically detailed dolls in forensic situations with young children. (Because of many demonstrations akin to this one, the use of dolls with children younger than five Buy Analgin is viewed less favorably than in the past and has been outlawed in at least one state.) Educational Ramifications The concept of dual representation has implications for educational practices as well. Teachers in preschool and elementary school classrooms around the world use "manipulatives"--blocks, rods and other objects designed to represent numerical quantity. The idea is that these concrete objects help children appreciate abstract mathematical principles. But if children do not understand the relation between the objects and what they represent, the use of manipulatives could be counterproductive. And some research does suggest that children often have problems understanding and using manipulatives. Meredith Amaya of Northwestern University, Uttal and I are now testing the effect of experience with symbolic objects on young children's learning about letters and numbers. Using blocks designed to help teach math to young children, we taught six- and seven-year-olds to do subtraction problems that require borrowing (a form of problem that often gives young Analgin Tablets children difficulty). We taught a comparison group to do the same but using pencil and paper. Both groups learned to solve the problems equally well--but the group using the blocks took three times as long to do so. A girl who used the blocks offered us some advice after the study: "Have you ever thought of teaching kids to do these with paper and pencil? It's a lot easier." Dual representation also comes into play in many books for young children. A very popular style of book contains a variety of