Statistics Tutor - Are you Interested?

Discussion in 'Off-Topic Discussions' started by me again, Dec 25, 2002.

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  1. me again

    me again Well-Known Member

    Is anyone here interested in doing a chi square formula and a correlation (r) analysis if I give you the numbers? I've already passed my statistics class, but now I have a project that I'm working on that will require a little bit more than what I am prepared to handle.

    I will pay!!! If you're interested, then please PM me.

    Hopefully, I should be able to provide you with the numbers to crunch within the next 30 to 60 days (I'm still attempting to collect data).
     
    Last edited by a moderator: Dec 25, 2002
  2. Rich Douglas

    Rich Douglas Well-Known Member

  3. me again

    me again Well-Known Member

    Rich, I know I'm asking a lot, but...

    I want to do three things:
    • [*]1) Run a chi square.

      -- and in a different methodology with different data in the same research project --

      [*]2) Run a correlation (r) and then

      [*]3) Place the results on a scatterplot
    Based upon the above requirements, can you recommend which of the following to purchase from that website:
    • GB-Suite Windows (DynaGraph + GB-Stat 8.0) ($599.95 ea)
    • GB-Stat v8.0 for Windows ($399.95 ea)
    • DynaGraph for Windows ($299.95 ea)
    • GB-Stat School Pak for Windows ($199.95 ea)
    :confused: :)
     
  4. John Craparo

    John Craparo New Member

    Did you take a course in Behavioral Statistics? If not, get a book on the subject. This will not be a difficult task if you have the data. I would suggest the following also. Pick up the book, at the library or buy it, called:

    The Computational Handbook of Statistics by Bruning & Kintz. The edition is not important.

    It will walk you through the steps of the analysis you want to perform (either simple or complex). You can do the whole thing with paper and pencil and a calculator capable of multiplication, addition and division. This will take you about an hour and I promise it will not give you a headache. You may need the Behavioral Stat book to bolster your understanding.

    The Bruning book gives examples of little experiments and the application of the statistical formula you are dealing with.

    If you want to understand how the math works and the "power" of your results, take this approach. The software you are looking at is too expensive for what you are trying to do.

    Good luck...

    John
     
  5. David Williams

    David Williams New Member

    I think John's advice is sage, especially in light of your thoughts about going on for the doc. Another suggestion is I'm pretty sure Excel has fuctions for a Pearson and chi-square.

    David
     
  6. me again

    me again Well-Known Member

    Thanks John and David. :)
     
  7. me again

    me again Well-Known Member

    Statistics for Idiots

    I just purchased a used 3rd edition for $12 (it was $53 for the new 4th edition).

    Any other book/title that you think I should buy? You said something about "behavior statistics," but I wasn't sure if you were referring to the book that I just bought.
     
  8. John Craparo

    John Craparo New Member

    The used copy will be fine... and well worth the $12.

    This would not be the same book as the Behavioral Statistics book I suggest you pick up. I have not taught the subject for about 6 years. Let me search through my bookshelf and get you the name and authors of the book I used. It was very good also... Will be back in a flash...

    John
     
  9. John Craparo

    John Craparo New Member

    The name of the book I have used in the past is:

    Essentials of Statistics for the Behavioral Sciences 3rd Ed
    Author - Fred Gravetter, et al

    It takes a problem solving approach to Behavioral Stats, so it is not all tied up in the math. I think you will enjoy it.

    David is right about this... if you plan to do research that will be put in front of academic referees, you need a solid grounding in stats.

    Two other good books I can suggest are:

    Reading Statistics and Research 3rd Ed
    Author - Schuyler Huck

    This book does just what it says. It teaches you to read journal articles. It is a bit long, and probably better to own after the Behavioral Stats book. I like it very much.

    Statistical Power Analysis for the Behavioral Sciences
    Author - Jacob Cohen

    The mistake that many individuals make is that they choose a statistical analysis method which does not do a good job of discerning between practical significance and statistical significance. This book helps with understanding the sensistivity of the methods used.

    The Bruning and the Gravetter books are the most important for your purpose. The others may be of interest later on (look at them in the library to see if they fit your needs).

    Good luck...

    John
     
    Last edited by a moderator: Dec 25, 2002
  10. me again

    me again Well-Known Member

    We'll, I just bought it for $14 (used). Should be here in about 10 days.

    I feel like I just signed up for another statistics class. Again. :rolleyes:

    However, thanks so much for your guidance. :)

    < forcing a smile, due to the workload that now lies in front of me >
     
  11. obecve

    obecve New Member

    I like SPSS as a software package for statistics. I do a lot of research. It is easy to use, works well with EXCEL and ACCESS and student copies are usuallly around $100.
     
  12. John Craparo

    John Craparo New Member

    That is a bargain...

    Keep me posted on how you are doing with this. Shoot me an email if you get stuck along the way or post something here.

    All the best and happy holidays.

    John
     
  13. me again

    me again Well-Known Member

    If I get stumped, then I am going to take you up on your offer!!! :D

    And obecve, thanks for the info on the SPSS as a software package for statistics. That is valuable information!!! :)
     
  14. John Craparo

    John Craparo New Member

    Anytime...


    John
     
  15. Bruce

    Bruce Moderator

    At the risk of stating the obvious.....if this is part of your course requirements, be sure to check if you can have someone else do the numbers for you. When I took stats in graduate school, we were specifically told that all the work we turned in had to be our own, even the math on the final project.

    You're too close now to be flagged for illegal procedure. :D


    Bruce
     
  16. me again

    me again Well-Known Member

    Crunching the numbers...

    Good point Bruce. :)
     
  17. David Williams

    David Williams New Member

    This reference takes me down memory lane. Cohen was my stats professor's doctoral advisor (whom she always referred to as Jack). Yes, I learned a little about power. To give you some idea how long ago that was my instructor told the class about how it took her months to run the statistics in her dissertation -- a factor analysis -- performed with a non-electronic (read mechanical) calculator. We've come a long way, baby.

    David
     
  18. John Craparo

    John Craparo New Member

    David... that certainly is the long way of doing it. My earliest ANOVA runs were done on a Tektronix computer which was not a bad way of going at all. That was the late 70's... but we were still using keypunch cards and tapes for our computer programs. The worst part of that was the wait until the next morning to see if our code had any errors in it. It is amazing how far we have come in a short period of time.

    John
     
  19. Rich Douglas

    Rich Douglas Well-Known Member

    I just finished my dissertation, where I performed 3 one-way ANOVAs on 11, 12, and 11 variables, respectively. I followed each of these with a Tukey-T test, making comparisons of each variable to the other in each of the three situations. Then I took the first 11 and made Student-T comparisons with the 11 of the second 12. Then I made similar pairwise comparisons of the second and third blocks.

    Oh, and I also calculated descriptive statistics, including means, variances, standard deviations, frequency distributions, rank orders, and a correlation between my sample and the U.S. population distribution state-by state.

    I printed the tables and put them in the dissertation. I also generated graphs where appropriate and imported them into the dissertation.

    The data was downloaded from a web-based survey tool, so I did no data entry. The downloaded data was imported into my stats program for analysis. It took about 20 minutes to do everything above, except the graphs (which took only a little bit longer).

    From months to minutes. (Of course, it took years to develop the level of sophisticated statistical knowledge to make these choices and understand them, not to mention presenting them properly. But the data analysis was almost instantaneous.)

    By the way, I now have hard data to answer that "Is accreditation important when using a degree for employment?" question. It is shocking.
     
  20. John Craparo

    John Craparo New Member

    Rich - when will the shocking results be revealed? It sounds like you have put a great deal of work into this. Will you publish any interim results or will that place you in a position of "not having an original dissertation"?

    Continued good luck with your work.

    John
     

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