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Showing posts with label schools. Show all posts
Showing posts with label schools. Show all posts

Wednesday, May 29, 2019

Learning Is Just the First Step to Understanding


As a college professor for many decades, I am always amazed at how so many students pass exams while having so little understanding. If I taught math, it would probably be different, because the task in math is to solve problems, which you can't do if you don't understand how to construct and solve appropriate equations. But for most other subjects, it is amazing how much students can learn with so little understanding.

This problem also exists in the real world outside of academia. Opinions masquerade as fact. “Facts” are often asserted without evidence-based reasoning. Facts are presented out of a context that would otherwise promote understanding.

In school matters, teachers don’t seem to emphasize the importance of evidence and reasoning. Educational knowledge and skills standards used by all the states focus on conclusions, with little regard for how such conclusions are justified. Conclusions are presented to be memorized. Testing rarely focuses on the reasoning that constructed the conclusions.

In the k-12 teaching of history, for example, students may not learn the right lessons about our government. Numerous polls uniformly have revealed that the typical high school graduate has very little understanding about U.S. history. School history textbooks are roundly criticized for inaccuracy, bias, and omissions, especially omissions of context. I have verified this in conversations with my grandchildren. The young people I talk to know nothing about explanations for the form of our government in the Federalist Papers or the reasons for many of the events that happened in U.S. history. Students have little appreciation for how creative the ideas in the Constitution were at the time and how they have had at least some impact everywhere in the world. They may have very little understanding about why WWII was so important.

In the teaching of biology, evolution is presented as a theory widely accepted by scientists, but with much less emphasis on why they believe it. It seems like too much trouble to explore the scientific observations over the centuries that lead to an inescapable conclusion that life forms do evolve. Why they evolve was the hallmark of Darwin’s work, but somehow this tends to get lost in the conclusion that they evolve or assertions that the theory should not be believed.

In the teaching of neuroscience, with which I am most familiar, students memorize what neurons are, how they generate electricity, and communicate with each other, with much less attention to what this all means in a larger sense of mental health and meaningful living. For example, students may conclude that humanity resides in a late-term fetus without knowing why such a claim can be made on neuroscience grounds. Students may memorize which parts of the brain light up in a brain scan under different conditions without the slightest idea of how misleading and uninformative such information may actually be.

In science in particular, the “why” and “how” are often more important than the “what.” I remember as a graduate student that my major professor rejected my research findings until I could find an explanation for the results. It is not enough just to know.

The larger point, of the need to understand the factoids you are learning, applies in all aspects in life: school, workplace training, and relationships with people of different backgrounds. In everything we read or hear, we should get in the habit of asking ourselves certain questions:
·       Do I understand what this means?
·       What are the limitations of this information? Where could be wrong or incomplete?
·       How much can I learn from it, not just of it?
·       What are the implications of this information?
·       To what good purpose can I put this information?

Understanding is much more demanding and valuable than just knowing. I might add as the "Memory Medic" that this perspective on learning makes it easier to remember what you learn. The best way to remember factoids is the thinking required to understand them.



"Memory Medic" has four books on improving learning and memory:

  • For parents and teachers: The Learning Skills Cycle.
  • For students: Better Grades, Less Effort
  • For everyone's routine living: Memory Power 101
  • For seniors: Improve Your Memory for a Healthy Brain. Memory Is the Canary in Your Brain's Coal Mine


For details and reviews, see Memory Medic's web site: WRKlemm.com


Monday, November 24, 2014

How Schools Make Learning Harder Than Necessary

Keep your "nose to the grindstone" is the advice we often give as an essential ingredient of learning difficult tasks. An old joke captures the problem with the old bromide for success, "Keep your eye on the ball, your ear to the ground, your nose to the grindstone, your shoulder to the wheel: Now try to work in that position."

Over the years of teaching, I have seen many highly conscientious students work like demons in their study yet don't seem to learn as much as they should for all the effort they put in. Typically, it is because they don't study smart. And sometimes the problem is created by the teachers' method of instruction.

In an earlier post, I described a learning strategy wherein a student should spend repeated short (say 10-15 minutes) of intense study followed immediately by a comparable rest period of "brain-dead" activity where they don't engage with a new learning task. The idea is that memory of the just-learned material is more likely to be consolidated into long-term memory because there are no mental distractions to erase the temporary working memory while it is in the process of consolidation.

Now, new research now suggests that too much nose-to-the-grindstone can impair learning.
Margaret Schlichting, a graduate student researcher, and Alison Preston, an associate professor of psychology and neuroscience at the University of Texas tested the effect of mental rest with a learning task of remembering two sets of a series of associated photo pairs.  Between the two task sets, the participants rested and were allowed to think about whatever they wanted. Not surprisingly, those who used the rest time to reflect on what they had learned earlier were able to remember more upon re-test. Obviously, in this case, the brain is not really resting, as it is processing (that is, rehearsing) the new learning. But the brain is resting in the sense that no new mental challenges are encountered.

The university press release quotes the authors as saying, "We've shown for the first time that how the brain processes information during rest can improve future learning. We think replaying memories during rest makes those earlier memories stronger, not just impacting the original content, but impacting the memories to come." Despite the fact that this concept has been anointed as a new discovery in a prestigious science journal, the principle has been well-known for decades. I have explained this phenomenon in my memory books as the well-established term of "interference theory of memory,"

What has not been well understood among teachers is the need to alter teaching practices to accommodate this principle. A typical class period involves teachers presenting a back-to-back succession of highly diverse learning objects and concepts. Each new topic interferes with memory formation of the prior topics. An additional interference occurs when a class period is disrupted by blaring announcements from the principal's office, designed to be loud to command attention (which has the effect of diverting attention away from the learning material). The typical classroom has a plethora of other distractions, such as windows for looking outside and multiple objects like animals, pictures, posters, banners, and ceiling mobiles designed to decorate and enliven the room. The room itself is a major distraction.

Then, to compound the problem, the class bell rings, and students rush out into the hall for their next class, socializing furiously in the limited time they have to get to the next class (on a different subject, by a different teacher, in a differently decorated classroom). You can be sure, little reflection occurs on the academic material they had just encountered.

The format of a typical school day is so well-entrenched that I doubt it can be changed. But there is no excuse for blaring loudspeaker announcements during the middle of a class period. Classrooms do not have to be decorated. A given class period does not have to be an information dump on overwhelmed students. Short periods of instruction need to be followed by short, low-key, periods of questioning, discussion, reflection, and application of what has just been taught. Content that doesn't get "covered" in class can be assigned as homework—or even exempted from being a learning requirement. It is better to learn a few things well than many things poorly. Indeed, this is the refreshing philosophy behind the new national science standards known as "Next Generation Science Standards."

Give our kids a rest: the right kind of mental rest.

Sources:


Schlichting, M. L., and Preston, A. R. (2014). Memory reactivation during rest supports upcoming learning of related content Proc. Nat. Acad. Science. Published ahead of print October 20, 2014.

http://scicasts.com/neuroscience/2065-cognitive-science/8539-study-suggests-mental-rest-and-reflection-boost-learning/

http://www.nextgenscience.org/


Dr. Klemm's latest book, available at most retail outlets, is "Mental Biology. The New Science of How the Brain and Mind Relate" (Prometheus). 

Tuesday, June 26, 2012

What's New in Brain-based Learning


              BASED     





In an earlier post, I explained the new trend of “neuro-education.” Science is discovering many things about learning and memory that have not yet been incorporated into school programs. Schools are so focused on teaching kids what to know to pass government-mandated tests that they don’t seem to get around to teaching students how to develop their capacity to learn and remember.

On-line Universities.com has just posted a very nice item on how “neuroscience is changing the classroom.” The post explains nine neuro-education interventions:

1.      Cognitive Tutoring. There is a current system for algebra that employs computer-based AI to adjust to student needs as well as to track student progress and thought processes so teachers can better help them learn.
2.      High School Starts Later in the Day. Because adolescents don’t get enough sleep and are not fully functional in early morning, some schools are starting school later. I agree with this policy and go further to suggest an afternoon nap (recent memories are consolidated in a nap).
3.      Spaced Learning. Students learn more when episodes of learning are spaced out over time rather than pushed into one single episode. Many teachers already do that, but all of them should, because research has clearly established this is the best way to form lasting memory.
4.      Individualized Instruction. This is too labor intensive to be very practical, but digital tools are becoming available to help. In addition, teachers are being encouraged to expose students to novel experiences when presenting information to build entirely new neural connections or to connect new information to previous experiences students have had. A problem in the past, I think, is that teachers have surrendered to the notion that learners should always use their preferred mode (visual, auditory, kinesthetic). I think they should use all three to expand their capabilities.
5.      Less Down Time. The blog used another heading, but two ideas here are well established yet in great need for more implementation. One is to get students to read more.  Research has clearly established that people who read more challenging books often have a greater variety and number of neural connections. Yet, most adolescents notoriously avoid reading, and many teachers let them get away with it. The other sorely needed intervention is to have shorter summer breaks, year-round school, and more frequent short breaks.
6.      Better Identification and Remediation of Learning Disabilities. ADHD and dyslexia are the two big problems. Research is still revealing that we have not optimized remediation practices, but useful things are available that are not always put into practice.
7.      Fun Learning Environment. Positive reinforcement is the most powerful teaching tool there is. A fun environment, even including friendly games and competition, works. More teachers should try it, as long as they don’t get so wrapped up in the games that academic rigor is watered down.
8.      Team Learning. Students remember information better over the long term if they learn in groups. There are well-known formalisms for effective team learning. Doing this over the Internet can be especially useful. Not enough teachers know or use team learning in optimal ways.
9.      Neuro-education Findings. The idea is to spend less time on teaching content and more on strengthening and developing the brain itself. There is a whole lot already known that is not being implemented in schools. More application is inevitable.

I do what I can with my e-book, Better Grades, Less Effort, and with my new book, Power Memory 101, which the publisher is releasing this August.


NOW RECRUITING TEACHERS: I am developing a new teaching resource for middle-school science. The lessons are based on “brain-based” teaching or “neuro-education.” The idea is to teach students aspects of brain function that will help them perform better in school. I have now added some of this material to the brain section of our Organ Systems module of our middle-school website.

In addition, I have invented a new system for teaching, learning, studying, and remembering all in the same visual and conceptual environment. That environment is created as a “one-card” virtual flash card that contains neuro-education material that would cover 1-3 typical class periods. The system is based on a PowerPoint file that contains a table. Icons representing key concepts are placed on the top left corner of a cell, with associated text information placed as bulleted text in the corresponding cell. Each object is then tagged for animated display upon mouse click anywhere off screen. Lectures, study, and self-testing occur in slide-show mode wherein the user navigates the single screen by mouse click from icon to associated text box to next icon, etc.

The system would seem to have the following beneficial features: comprehensive, holistic access to all the information, compact, flexible/extensible, cohesively organized, easily and quickly studied, self-tested in flash-card style, embodied key memorization principles, and easily constructed and modified.

I am recruiting teachers to test this presentation/study card in their class. I will limit participation to the first 50 middle-school teachers who sign up. Details are below:





What I Pledge to You:

1. You get a free e-copy of the flash card and access to the instructional material.

2. My promise to maintain your anonymity, while retaining the right to pool survey data from all participating teachers and their students.

3. An e-copy explaining how to create and use the one-card flash-card invention.
4. Notice of when and where a report of the findings is published, and an electronic copy of the report.



What You Need to Agee to Do:

1. Agree to teach at least one middle-school class period this Fall from the “flash card” and give a study copy to each student.

2. Fill out a simple website survey of your opinions. Have your students fill out a simple website survey of their opinions.
3. Get on the waiting list by sending me your name and e-mail address to wklemmATSIGNcvm.tamu.edu