Wednesday, May 27, 2015

HOW TO CONDUCT A CASE STUDY


In a case study you examine a real-life situation with all its complexities to discover what factors might contribute to outcomes.

A case study is used to study a particular situation in depth. It is not possible to generalise from the findings of a case study, but it can be used to test whether, and how, theories and scientific models work in the real world (Shuttleworth, 2008). It is qualitative, not quantitative research, which can give rise to hypotheses and new directions in research. It is often used in the social sciences.

Conducting case studies gives you a chance to draw from your knowledge and research, practise your skills of analysis and reasoning, and draw conclusions. As a case study is taken from real life, it can be complex, and different readers of your case study may draw different conclusions.

If you are conducting a case study in your community, make sure you:
Obtain permission to conduct the case study, making it clear:
  what you will need to do
  where you will need to go
  who you will need to speak to.

Don’t use people’s names unless you have their permission. Respect their privacy and the confidentiality of your results. Refer to SACE Board of SA Conducting Ethical Research.

Steps in a case study
Choose your case study problem.
Research the problem.
Interview people. Prepare questions that:
  will help you understand their opinions
  will give you information you can’t get from books or articles
  are open-ended; that is, they can’t be answered just with ‘yes’ or ‘no’.
Sort through your information. What is relevant and what isn’t?
Does your case study problem (or guiding question) need to be modified?
Do you need more information, or do you need to do more research?
Break the problem down into its parts.
Analyse the information in each part.
Think about what the answers to the problem might be.
Write up your case study:
  Introduce the problem or guiding question.
  Give the background to the case study.
  Present the information you have discovered, perhaps under headings.
  Evaluate and analyse the information.
  Summarise your findings in a conclusion, but remember that a case study may not always produce a neat conclusion.

Check that your points flow logically and that you have restricted your writing to the case study problem.

This style of case study does not apply to all subjects. Your teacher will discuss appropriate case study methods with you.


How to study and learn math



          Learning takes effort and time. 

The Basics

Attend class. Most serious students attend every class.

Learn during class. Don’t just take notes – pay attention and learn during class.

Do the homework. Good students take the commitment seriously. "Practice makes perfect." Not doing a homework on time is a warning signal that you are getting behind.

Beyond the Basics

Review very soon after studying. It is hard to get things you “learned” into long-term memory. Immediate review (10-15 minutes of review right after studying something) is far more effective than review a day or more later. Research shows that, with immediate review, 83% of class discussion is retained 9 weeks later. Waiting even one day drops retention to only 14%!
          Forming a memory takes about 17 seconds of close attention. If you don’t linger on a thought for 17 seconds you won’t remember it.

Do the homework by remembering how, not by looking up how as you go along.
          You don’t know math if you don’t remember it. Learning requires remembering.
          This has important implications for how you should do homework. Doing homework by looking up how to do it as you go along often fails to result in learning because it fails to emphasize memory. Getting homework “done” is not the same as learning how to do it!
          That is why you should try to do the homework without looking at the text or solution manual.


                  Study all the material first (concentrate on key points for at least 17 seconds each) and then
                  Do the homework by remembering how.
                  If there is a problem you don’t remember how to do, look in your text or notes to find out how, but with the intent to remember how. Doing without remembering is not learning.

Review after 15-30 minutes. When you find out how to do something (say, a homework problem), there is a good chance you will forget how to do it almost immediately after you finish. Reinforce your learning before you forget by reviewing it after 20 minutes of other work. For example, if there is a homework problem you have to look up how to do, look it up and do it, but resolve that you will come back to that topic. Then continue with the rest of the homework and 20 minutes later return to that topic and try a similar problem to reinforce your learning before it fades. Immediate review really works for moving thoughts to long-term memory.

“Seeing how” often doesn’t work.  To learn, you must be engaged with the work. Many students watch in class, nod, and think "I can do that." Many copy the solutions manual or a friend’s work and think "I see how it's done. I can do that." These thoughts are often wrong. Don't kid yourself. The proof of your ability to do it is in your doing it by remembering how.
Serious Students

•         Figure it out! If something in the text does not make sense right away, take the time to figure it out. Read it again with your brain in gear. Study the text's example again. Go over it, carefully, it until it makes sense.
Asking your instructor to explain something is sometimes necessary, but not as often as students seem to think. If you read the text and work on an example with the intent to figure it out, you probably can. Then your learning will be better and longer lasting than if you ask someone else to do it. Plus, in the process, you will be learning how to learn!  You will find you are getting better and better at understanding what you read. The effort pays dividends, not just for today's lesson, but for all future reading. Believe it!

                  Devote substantial time to learning (not just doing homework) outside of class.
At a university you are expected to work two hours outside of class for every class hour. Two hours may seem like a lot of work, but that is what it takes – even if you finish the assigned homework in less time. Study in addition to doing homework. Do the work and reap the benefits. School is a serious job for which the pay is your education.

To learn math more efficiently you must learn to read math. You learn to read by reading.

                  Read your text.
              Read with two goals: 1) to learn the current material
                                        2) to practice reading (to learn to read more fluently). The ideas of mathematics are best expressed in written symbols (not aloud in English). By learning to read you learn how mathematics really works.
                  Think of the book as a lecture you can follow at your own pace.
                  Read with pencil, paper, and calculator. Do the calculations with your own calculator. Reproduce the graphs on your calculator. Try to fill in missing steps. Take notes. All this is designed to encourage you to think while you are reading. And, it works!  (Reading math is much, much slower than reading a novel.)
                  Pay special attention to theorems. Theorems are a mathematical way of summarizing general methods that apply to many examples. They tell you what to do and when to do it.

           If you find reading your text difficult, you can blame the text, or take responsibility and recognize the strong signal that you are dangerously weak at an important skill – reading comprehension.  The harder you find reading, the more you need to work at it. Don't kid yourself. Not reading is a sign that you are not comfortable with an important mathematical skill. No one else will take time to teach you to read – you’ve got to do it yourself.
                                       
Reflection.  Research has shown that learning has a passive component. For example, while you are asleep tonight your brain will categorize and file things you "learned" today. However, you will remember far less tomorrow if you get only five hours of sleep. Get enough sleep.
          Right after class you can "mull over" the lecture and later find you remember it much better than if you proceed straight to a different sequence of thoughts. (This is related to the “review after 20 minutes” idea.) Driving home, if the car radio is off, you may find your thoughts returning to the lecture. This sort of repetition is very valuable.
          Do not walk out of class and immediately put on your earphones and join the world of entertainment. Right after class is the very best time to review the material, even if only in your mind as you walk across campus, and move it to long-term memory.

Success.  At MSU, about 30 percent of the students are "over traditional age." Many retake math courses they did poorly in years ago, and do very well the second time around. What is the explanation?
          Attitude. They want to learn it this time. They do the work. They pay attention. They have learned how to put their brains "in gear."   

          "Deferred gratification" is a reward to be received later. Many of the returning "over traditional age" students have learned the hard way that it takes serious effort to develop skills for which employers pay well. Put that effort in now. Learn to appreciate your developing skills. Enjoy your education. Enjoy the process, and you can excel.

ACTIVE STUDY

A.   Introduction
Learning takes time. Very few people have photographic memories. Learning requires repetition- meaningful repetition. This is why active study techniques are so vitally important. The "recording disk" of the brain accepts new material much faster if it "hears," "sees," "feels," "tastes," and detects motion (kinetic energy) during input or recording time. Then too, the more times around the learning circuit, the longer lasting the impression. If you are able to place abstract ideas into diagrammatic form, you will remember the concept.
B.   Mnemonics
Material that is difficult to master can be organized by finding the key words in each point, noting the first letter, and arranging the letters into a sense or nonsense word (the sillier, the better). Examples:
  1. What are the qualities of a scientist? (mnemonic answer: PIPOC)
P erserverance
I ntelligence
P atience
O riginality
C uriosity
  1. Why did the U.S. enter World War I? (mnemonic answer: SPRENCZ)
S ubmarines, Germans lifted restrictions on use of
P ropaganda, British control of
R ussians overthrew the tsar
E conomic ties of U.S. with Britain and France
N eutrality, German violations of U.S.
C ultural ties with Britain
Z immerman telegram
        Note: in example 2, the student has devised a mnemonic based on key words. If you have a basic understanding of each point, you ought to be able to write a complete essay from the mnemonic SPRENCZ. Example 1, however, represents the type of mnemonic a student could use to learn a short list of items for an objective test. If you need to memorize a long list of items such as the states in the union, alphabetize and learn in small "chunks." You can always depend on the alphabet. Break down a list, rearrange, put on a study card and master. In the example of learning the states in the union, it is easier  to remember that there are four states whose names begin with "A," no "Bs," one "D," etc., then to try to memorize the list.
C.   Study Cards
In printing study cards, the student is using kinetic energy (energy in motion), thus making the impression stronger on the brain, and the student will be able to use the cards for overlearning. Another reason for having students make study cards is that they are convenient to carry and flip through for mastery. Reading the cards silently, however, is too passive. Go over the cards orally. A student will not master the cards by passively reading them. Learning requires the expenditure of energy. The student must be actively engaged in producing the sounds, using muscles and burning energy to make the sound.
D.   Memory
  1. General points to consider
a.      The student must focus his or her attention on whatever needs to be remembered. If you intend to remember something, you probably will.
b.      The student must be "sold" on the course. Why is this subject worth knowing? Correlative reading may enhance the student's interest. For example, historical novels are a marvelous way to learn history. The greater the knowledge, the greater the interest.
c.      Help the students classify and associate. Many authorities feel that you will master information faster if you learn in groups of seven or fewer at a time.
d.      Have the students overlearn through repetition.
  1. Association is a key to memory:
a.      You remember approximately 10 percent of what you read.
b.      You remember approximately 20 percent of what you hear.
c.      You remember approximately 30 percent of what you see.
d.      You remember approximately 50 percent of what you hear and see together.
e.      You remember approximately 70 percent of what you say (if you think as you are saying it).
f.       You remember approximately 90 percent of what you do.

Concentration


The Problem
   In many colleges over 8% of the students report problems concentrating on their studies. Most of these students blame outside distractions for their problems.
   Many research studies manipulating noise levels and distractions have found that such disturbances may increase, decrease, or not even affect concentration. These researchers have therefore concluded that distracters don't cause concentration problems directly. It is the way the distracters are interpreted by the students that disrupts their study.

Creating a Study Environment
[1] Find a place to study and keep it for study only.
[2] Tool-up the environment with all study needs.
[3] Control noise level and the visual environment to acceptable levels.
[4] Avoid relaxing while working; create a work atmosphere.

When to Study
[1] Best during the day and early evening; you'll remember better.
[2] Best when there are the fewest competing activities in progress.
[3] Best when adequate rest periods are provided.
[4] Stop studying when fatigue or lack of attention occurs.

How to Study & Concentrate
[1] When distracters are present, become intensely involved.
[2] Keep a pad of paper handy to jot down extraneous thoughts that cross your mind while studying, get them out of your mind and on to paper.
[3] Set study goals before you begin each period of study
   (number of pages, number of problems, etc.)
[4] Design adequate rewards after specified goals are attained.
[5] Break-up the content of study by mixing up subjects and building in variety and interest and removing boredom.
[6] Make the most of rest periods-do something quite different.
[7] Don't try to mix work and play.
[8] Start with short study periods and build to longer periods only as fast as you maintain concentration.
[9] If necessary, make a calendar of events to clear your mind of distractions.
[10] Realize that you won't lose friends, respect, or a "good time" just because you're studying... these will keep.
[11] Plan the length of your study period by the amount of material you have decided to cover, not by the clock. (Often the clock is one of the most serious distracters.)

Diagnostic Matters
   It is probably necessary that you identify which subjects are related to the most serious concentration problems. You may notice that you really don't give yourself a chance with these subjects because of the time, order, or place you use to study. It may also be valuable to assess what your motives are for studying in the first place? What is your reward for your efforts?



Ten Reasons to Tell your Kids Stories

In today's busy world, many parents have lost the art of telling their stories to their kids. Here are some reasons why these stories are so beneficial, both for you and your kids:


1. Use them to teach lessons about life. Stories will stimulate conversations with your kids more effectively than lecturing, or "trying to get them to talk." There are a lot of issues happening for your kids these days, and stories give them a chance to reflect on them.

2. Stories connect your kids with previous generations. In a society that seems to have families spread out all over, it's vitally important to have ways for your kids to feel connected to their extended families.

3. Stories stimulate your kids' imagination. One of the best ways to prepare your kids for the world is to engage them in vivid stories that stir their imagination. Kids who are exposed to these kinds of stories will be the creative problem-solvers of the future.

4. Kids who are exposed to stories will continue the tradition with their own families. Knowing that your family traditions and stories will be carried on by future generations is very comforting, as well as a great benefit for your children's children.

5. Stories can encourage your kids when they're discouraged.
Childhood can get pretty discouraging sometimes. Kids are encouraged when they know Mom or Dad have experienced the
same kinds of things, and they've survived.

6. Telling your stories helps you remember your own childhood.
Telling your kids about your childhood is a great way for you to remember and reflect on what was important about your past.

7. Telling stories helps to create depth and soul in your kids. In a TV and media-crazy culture, telling stories can capture and hold your kids' attention, and convey real meaning. It's a way to show your kids what's really important in your life.

8. Telling stories to your kids tells them they're worth the time. Is there anything more important than showing your kids that you want to spend intimate time with them? They'll remember it forever.

9. Telling stories is a great chance to convey your values. Your kids will be getting quite a few messages from their friends, and from popular culture. Stories are a great opportunity to sneak in a few of your cherished values for your kids to hear.

10. Well-crafted stories create a wonderful mind-set for your kids before they fall asleep. Kids will fall asleep faster, and with healthier images, when you tell them your stories.

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