At some point the student's learning rate will stop accelerating. There are various steps to take when this happens, but if the student consistently meets a wall at that point, despite the recommended steps, s/he has probably reached the ceiling in that area of learning. The ceilings might be different in different cognitive domains.
I take a flexible approach and figure the student's ceiling is likely within 2 standard deviations. Getting student performance (even IQ) up one standard deviation is not all that uncommon, and getting improvements of two standard deviations is less frequent but a regular occurrence. I suspect this is easier with younger students than older ones, but I do not have data on that. The SD range is what I keep in mind myself. Thus, I would not be trying to get a student with a diagnosed developmental delay and an assessed IQ of 55 into a college-prep program (4 SD).I would try to get this student functioning in the low average range. The data would tell me when a student had reached the ceiling on performance improvement in something specific.
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There is plenty of data on what effective teaching looks like -- observations that can be gathered and assessed in a scientific way. The late Dr. Michael Pressley has written extensively on this; I recommend his
Motivating Primary Grade Students for a well-written look at this question. He wrote more technical articles in journals; this one is an astute analysis of what makes early grade teachers effective, with examples and non-examples, and (for teachers) some workable suggestions that one can start to use right away.
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I do not profess to understand the mind of the education administrator. I do know that good results are always attributed to what the school is doing (even though the results may be the outcome of actions by parents and tutors) while bad results are usually attributed to characteristics of students and families. It seems to be the way it is.
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Learning centers such as the ones I cited serve a widely varied clientele, so I would be wary of overgeneralizing . What I know from my own research is that they set goals, develop detailed plans to meet those goals, and are successful with a wide variety of learners of different ages. It's probably a safe statement to posit that MOST people could learn much more and faster than they currently do, given the appropriate application of learning science and technology. Much is known now about cognitive processes and how learning occurs and how to work around various obstacles, but very little of this knowledge has trickled down to the grass roots -- schools in particular.
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General
principles of teaching effectiveness seem to apply across the board. For instance, effective teaching is highly interactive. Teacher and students(s) are interacting at a high rate -- teachers may model, give examples, pose questions, clarify distinctions, scaffold tasks, provide feedback, etc. while students may listen, ask questions, demonstrate, practice, compare/contrast, respond orally, by actions or written output, etc. The key thing is lots of interaction -- ON TASK interaction, not chit-chat; learning is active, not passive. Think of an orchestra conductor, or an athletics coach --the relationship of those people with their team/orchestra is highly interactive. Lots of back and forth. Engagement is high (another important component).
Pressley developed something like a checklist of behaviors of effective teachers . What these behaviors would look like and the specifics of application would vary of course (the type of interactive teaching that is effective in first grade would not be appropriate for seventh grade), but the general case would be the same. Pacing -- another important characteristic of effective teachers -- also varies by population. You speak faster and can move things along quicker in a group in middle school than in K. But appropriate pacing as a characteristic of effective teaching remains constant.
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"Slow learners" are often (in educational jargon) those students who are deemed rather low in academic ability but not low enough to be considered intellectually disabled. They are very low average, and they take longer to reach the same levels of achievement as same-age peers (their physical development is sometimes slower as well). Then there can be students whose academic ability is average or even high but who are slow processors -- they may have difficulty with word finding, working memory, lexical access, various types of memory, co-ordination, motor skills. Typically these students need more repetitions to mastery and more distributed practice over time to become automatic on fundamental skills which they may *grasp* easily (conceptually) but not be able to apply reliably. The evidence is that some of these difficulties are neurologically determined, but again, we are working with a range -- so the individual can improve his or her own performance level and while s/he may never be "fast," s/he can meet average expectations. I think this is worth striving for, as it gives the individual many more choices in life and much more sense of competence.
If a child is truly slow, then it seems to me that there could be a variety of reasons and solutions that should be customized for the childI agree, but realistically this is seldom done in school and in many cases I've seen, it is not realistic to expect it to be entirely done in school. We can only customize so far for individuals --
which is why homogeneous instructional grouping is so important in key areas.
I'm really an amateur in these matters myself, but I recommend people interested in the issues go to the excellent site maintained by an amazing self-educated parent activist:
PT WikiSome of the items in the bar along the right -- "Why frequency matters," "Why celeration matters" etc. are a good place to start.
It's kind of a seeing is believing thing. When you see kids (or adults) make HUGE, sudden, dramatic leaps forward in their learning that change their lives, you can't help saying to yourself, Holy cow! WHAT was THAT? and trying to learn more to make it happen again.
If you haven't seen it you may not think it's possible and you certainly won't see what the fuss is about.
I have fun introducing as many of my colleagues as possible to that HOLY COW!! moment. They never look back.
Catherine speaking: the issue of slow processing has been intriguing to me ever since John Ratey told me a story about a patient whose husband left her because he thought she was timid and unadventurous. What she was, John said, was a slow perceptual processor. So, if she happened to be standing on top of a tall building, she'd hang far back from the edge because she feared she'd walk over the edge before her brain got the message she'd reached it. She applied the same principles to her driving, and a good thing, too.
and from Steve H:Is effective teaching the same for true slow learners and for average kids? (I suppose you could say that effective means effective.) I wouldn't think so. My nephew was considered to be a slow learner, but my sister worked to provide him with better skills for approaching new material. She had the same issue when she was young. Now that he is grown up (with a degree in computer science), he is anything but a slow learner.
Is it true there are lots of kids who decode fluently but have extremely poor reading comprehension?
Not really. You find the phenomenon of children who decode very well but understand almost nothing in only two populations: children with intellectual disabilities and children with very limited English. [yes! I am a "great decoder" in French & Spanish & probably in Italian and German as well. I understand quite a lot of what I read in Spanish (& used to understand a great deal); some of what I read in French; none of what I read in Italian and German. In my case great decoder/poor comprehender = not my native language]
In both groups you occasionally find students who quickly master the alphabetic principle, learn the required correspondences between sounds and symbols, and may even grasp patterns of speech and inflection, but do not know enough language to make sense of what they are reading. They lack the vocabulary, the syntactical sense (pronoun referents, subordinate clauses etc.)
In neither case (IMO) is it a problem that the student can decode well; the teaching challenge is to build the student's language comprehension in a variety of ways.
I often hear teachers say they have students who are "great decoders" and "poor comprehenders." I decided to investigate this phenomenon. I waved some $50 bills at a teachers' meeting and offered $200 to anyone who could find such a student for me who was NOT clearly an ELL case or a student with cognitive challenges.
I asked them to discriminate by using a simple task: take an example of text that the child can readily "decode" but can't "comprehend." Read the text to him or her, and do some oral comprehension items.
If the child can't answer the ORAL comprehension questions, you are not looking at a "reading" problem -- you have a language problem. Maybe vocabulary, maybe background knowledge, maybe receptive language comprehension generally --but not "reading."
On the other hand, if you have a child who understands material read aloud at a high level, but can't READ that text, you (usually) have a decoding problem.
We had a principal who used to tell staff that the school had lots of "great decoders" who were "poor comprehenders." (I think they tell them this stuff at principals' meetings.)
One year we tested the entire middle school (1:1 testing, more accurate). Guess what we found? We had NO students who were "great decoders" but "poor comprehenders," except for a few individuals in the recent immigrant or intellectually disabled group. We had DOZENS -- maybe a hundred -- kids who were poor DECODERS -- in almost every instance, they did not know vowel sounds, vowel digraphs/teams, or how to sound out multisyllable words. EVERY SINGLE KID said that their "strategy" for figuring out an unknown word was to "look at the first letter and guess." Now, where did they get that idea?
Something about DATA, as opposed to perception, changed attitudes. The principal started to encourage teaching decoding skills (without neglecting other important areas). Teachers became more aware of the need to teach kids to sound out words, to learn morphemes, word parts, and strategies for combining and disassembling them.
Now when we find kids who decode adequately, but are poor comprehenders, we usually see issues of rate and fluency. Children in eighth grade reading sixty words per minute can't keep up (Heck, sixty wpm won't cut it in FOURTH grade). So we work on that.
Stanovich somewhere put out a call in The Reading Teacher for data on students who were "great decoders" who could not understand what they read, and he got no useful case studies. Most students whom teachers refer to as "great decoders" are actually nothing of the kind -- if you measure what they do, they often lack critical decoding skills and read relatively slowly, so that the meaning of complex text gets lost in the effort required.