test

1. Best test for normal distribution with as little samples / highest accuracy

Hi there, I only completed one statistics class yet and now struggle with my first project involving statistics. :-) I want to conduct an evaluation where items are rated according to particular scales, leading to a lot of probability distributions, where there is one distribution for each...
2. Multiple Regression Help

Hello, I need help/advice with multiple regression analysis. I am looking at the degree of discrimination towards women in construction industry in terms of salary, promotional opportunity, harassment and psychological environment. Data that I have collected are -Age -Level of...

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4. The role of beer in statistics

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5. Comparing two ratios - Which test should I use?

It has been years since I attempted statistics and I would appreciate any form of help. I am looking at data, and I want to see if one rate influences another rate. I want to know if two rates are correlated and significance of that correlation. The data looks similar to something like this...
6. 3 Arm Study: Categorical Data needs a P-Value!

Hi, I conducted a 3 arm study and now I am trying to find signficance/lack of signififance. Some data I gathered, such as age was easy to calculate via ANOVA tests. But now I have smoe categorical data that neds to be analyzed. For example, I examined the quality of my procedure and it was...
7. [STATA] One-sided postestimation test;

Hello, how can one run a one-sided postestimation test in Stata, since the command 'test' performs a two-sided Wald Test? This is to test an alternative hypothesis b1 > 0 and b1 > -b3. Thank you so much!
8. One-Way ANOVA, Nonverbal Displays Affect Neuroendocrine Levels

Hi, So im doing a critique review on this paper: Power Posing: Brief Nonverbal Displays Affect Neuroendocrine Levels and Risk Tolerance by Dana R. Carney et al. Anyway, the experiment they are conducting involves two groups of individuals high; power posers and low-power posers. Each...
9. type of test for small sample size

Hi there, I'm having problem in determining the correct test on a small grp (n=4). If i wanna compare on two different grp, control design and new design on 4 same subjects. What test shld I use?
10. Test Type Help

Can someone please help me? I just spent an hour writing a really detailed explanation of my stats project and it ended up getting deleted when I tried to preview post. Basically all my data is here I'm doing this for an AP Stats project and I'm really confused about what kinda of test...
11. SPSS significance test between two categorical variable and one nominal DV

Hi experts, I have two IV: Gender + Age. Gender: Male, Female Age: Children, Youth, Adults, Seniors DV: Appointment: 0 = no-show, 1 = show I already did a multivariate logistic regression between the IV's and the DV. They are significant with each other. ... Now what I want to do...
12. Stats Test

I have already completed my online stats test, and the teacher is not grading them until after spring break... and I really want to know my score now. What are the answers to the following test.... 60 multiple choice/TF questions I will paypal \$10 to the first person who posts the full answer...
13. Analysing circular (angular) data - how to find significant differences?

Dear users, this is a problem from my PhD thesis. I am grateful for suggestions. I have measured angular data from several individuals, each specimen only once. This data is clustered in 5° from 1-180°. No angle above 180° are recorded. I have calculated the frequency of angles for each...
14. test for heteroscedasticity in Ordered Probit model?

hi Anyone knows how to perform a test for heteroscedasticity in a ordered probit model in R? I tried to use bptest(model) and I tried plot(model, which=1), but these comands only seem to work for linear models..! Kind Regards Maria
15. "parallel regression assumption" test r studio

Hi Can anyone tell me how to do a parallel regression assumption test in Rstudio?
16. Deciding on test and help with power, thank you!

Hi there, I'm a first year PhD student and I am a bit at a loss regarding which test to use, and how to calculate power for a grant proposal. Any help will be much appreciated! I'm running all my participants in two conditions (positive/negative), so a within-subject design My dependent...
17. confused about which model/test to use?

Can you suggest me the regression/correlation model for the following case: I have computed walkability index (e.g. Y) for various buildings of few neighborhoods. This index is composite variable computed based on other variables. Now I would like to see the association/correlation between...
18. Hosmer Lemeshow test - degrees of freedom

Hello, I have to use HL test for logistic regression purposes. In the most of sources there is written, that number of degrees of freedom is n-2 (n = number of groups) http://en.wikipedia.org/wiki/Hosmer%E2%80%93Lemeshow_test Can someone explain me why n-2? Thanks for an answers
19. Want to be researcher- needs help

Hello all! I am currently designing my first research project and am confused on what to do after I have my data. I have a basic understanding of Stats, but need direction. I am a music therapist and am designing a research project examining the effect of music to reduce children's anxiety...