## Saturday, February 14, 2009

### perutusan drpd SV

Like what I said in the other post. I want you to do an action research. First, you choose a topic in numerical method or high school syllabus that you think by using scientific calculator can improve the teaching and learning.

Then you design two test in this topic which the level of difficulty is same. Then you find a group of respondent, teach them the topic without teaching then how to solve by using calculator (if they already know the topic then you can skip this step.), then give them a test to them (this is pretest), after the first test, you teach them how to solve the method using the calculator, after that give them the second test(this is the post test).

You have to record how much the time they spent for answer the test and record the marks they score. Then you analyze the data, check whether by using scientific calculator, the time spent to answer the question is reduce or not, and the score is improve or not.

As an alternative, you can have two group of respondent, one group you teach them the topic without teaching them the usage of scientific calculator, and the other group teach the topic with the usage of scientific calculator. Then you give both group same test, and record their time to solve the question and the marks they score. After that do the analysis.

The first method we call action research, and the data we obtain is dependent data. (do you know what is action research? can you explain why it is a dependent data? Please find out.) The second method is experimental research, and the data is independent data. (do you know what is experimental research? Can you explain why it is a independent data? Please find out.)

In my point of view, I prefer the first method, because after the research, my respondent will gain the knowledge of using the calculator. However, most of the researcher will prefer the second method, because they believe that the second method is more powerful. For first method, people may doubt that the respondent can score better because of the carry forward effect, they score because the learn the topic more than one time. But for the second method don't have this problem. However, in my point of view, for the second method, the respondent is different individual, they have different background and knowledge. The experiment group score better may be because the experiment group student is smarter, if this is the case, then it is still ok. But what if you face a situation that the control is smarter, and they score better than the experimental group. Then you may have a conclusion that the scientific calculator doesn't help on their score. So which method do you prefer? Or do you think there is any method to solve the problem face in both test? Try to think about it.

I hope that you can understand what I explain here. If you still have problem, please do not hesitate to ask.

Have a nice weekend.

regards,
-kblim-

#### 1 comment:

unwanted said...

oredi costs me rm40+rm25 which is equal to rm rm65 for this research

anyone can helps me in exploring casio FX-570ES scientific calculator??