I guess that MH and MR refer to mentally handicapped and mentally retarded. Is that correct?
Regarding your comments below about categories of intelligence, I don’t understand your use of mild, moderate, profound and severe. Those seems to be terms associated with retardation or something else. Can you clarify?
Fred Nickols
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From: David Goldstein [mailto:davidmg@verizon.net] Sent: Sunday, November 26, 2017 12:40 PM To: csgnet@lists.illinois.edu Subject: perceptual levels, Piaget stages of intelligence, levels of retardation
David Goldstein (2017.11.26.12:22)
Piaget describes the following stages of intelligence development: sensory-motor, preoperational, concrete operational and formal operational.
I assume that most people who have taken an introductory course in psychology are familiar with these terms.
Powers describes 11 perceptual levels, which I assume all the readers of this list are familiar with.
There are the following categories of general intelligence based on IQ tests: mild, moderate, profound, severe.
In infancy, do MR people reach the systems levels as described in Wonder Weeks?
Is there a relationship among these descriptions? I think so.
When I worked with adult MH/MR clients, I wondered about this.
Why do retarded people stop developing at the level they do? What does this say about reorganization?
Why do all people not go to the formal operational stage of intelligence?
I would be interested in any comments or thoughts people have about these issues.
DG: Piaget describes the following stages of intelligence development: sensory-motor, preoperational, concrete operational and formal operational. I assume that most people who have taken an introductory course in psychology are familiar with these terms.Â
DG: Powers describes 11 perceptual levels, which I assume all the readers of this list are familiar with.Â
DG: There are the following categories of general intelligence based on IQ tests: mild, moderate, profound, severe.Â
In infancy, do MR people reach the systems levels as described in Wonder Weeks?
Is there a relationship among these descriptions? I think so.Â
RM: I think there is a definite relationship between Piaget’s stages of development and the presumed stages of development of control implied by Powers proposed hierarchy of control (and supported by the observations made by the Plooij’s). In both cases, the idea is that organisms first develop the ability to control “simple” perceptual variables (sensations) and eventually progress to the ability to control more complex perceptual variables (formal operations/programs), though, of course, Piaget wouldn’t have put it this way. The categories of general intelligence are, I believe, unrelated to Piaget’s or Powers’ stages of development since they are not descriptions of developmental stages; rather they are descriptions of how well people do on tests that purport to measure “intelligence”.
RM: My guess is that MR is not related to stages of development; that is,I think MR people develop all the levels of control (go through all the stages of development of control) that non MR people develop. I think what distinguishes MR from non-MR people is a deficit at a particular level of control. This is why I think you can get MR people who are great at math (program level) but lousy at identifying objects (category level); or great at art (event level?) but lousy at logical reasoning (program level). But, of course, these are just guesses; it would be interesting if you could find some relevant research results related to this question.Â
Best
Rick
When I worked with adult MH/MR clients, I wondered about this.Â
Why do retarded people stop developing at the level they do? What does this say about reorganization?
Why do all people not go to the formal operational stage of intelligence?Â
I would be interested in any comments or thoughts people have about these issues.
–
Richard S. MarkenÂ
"Perfection is achieved not when you have nothing more to add, but when you
have nothing left to take away.�
                --Antoine de Saint-Exupery