有危险
发表于 2025-3-28 15:52:12
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跟随
发表于 2025-3-28 20:51:01
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引起
发表于 2025-3-28 23:46:19
ocial factors are at play in decisions about who is to be considered "retarded" (Edgerton, 1968; Kamin, 1974; Langness, 1982). Thus, it has been known for quite some time that there is a close relationship between socio-economic status and the prevalence of mild mental retardation: higher socio-economic group978-90-277-2178-5978-94-009-3711-6