1. Announcement:
05-10-2017
Views:
1,871
Page 13 of 294 First 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 63 113 ... Last
Threads 721 to 780 of 17589

# Forum: Statistics

Statistics course and homework discussion. Elementary statistics.

1. ### Sticky: Forum Guidelines: Smart posting behavior pays off

Welcome to talkstats.com, the place for statistics help. This is a guideline for people who want to ask a question on this forum and value a...

• Replies: 1
• Views: 196,939
07-16-2014, 11:01 AM
2. ### Sticky: We only provide homework help to those who show effort

Welcome to Talk Stats Forum. In order to keep homework help effective and efficient, we request all members to abide by these guidelines: 1)...

• Replies: 0
• Views: 66,848
09-30-2005, 09:44 AM
1. ### anova

can anova be used for for multiple comparisons? will it be significant? also is the dunnett test more powerful than the Tukey and Newman Keuls?...

• Replies: 1
• Views: 3,031
11-16-2005, 12:06 PM
2. ### Anova

Can I use ANOVA when the variables were in a way correlated? I think we assume that the variables are independent in ANOVA. Am I right?

• Replies: 1
• Views: 2,315
02-09-2006, 09:05 AM
3. ### anova

Two students performed a penny toss experiment, repeatedly tossing 20 pennies and counting the heads that appeared. The results look odd and you...

• Replies: 0
• Views: 1,544
06-02-2007, 08:30 PM
4. ### Anova

I am doing a within subjects ANOVA with 4 conditions, comparing VAS ratings for 6 time points. The 4 conditions are control, fibre supplement,...

• Replies: 0
• Views: 2,077
04-18-2009, 05:33 AM
5. ### Anova

Hi All, I need help/suggestion on this matter. I wonder if anyone can give me direction. thx in advance. I have a research question: Are there...

• Replies: 2
• Views: 1,959
12-01-2009, 10:11 PM
6. ### anova

I have some data and i am asking if there is a difference between the population and the urbanization of each place. My variables population and...

• Replies: 4
• Views: 2,116
12-29-2009, 03:01 PM
7. ### anova

could someone give me a push on how to go from: Y_{ij} = \mu + \alpha_i + e_{ij} z_{ijk} = \left\{ \begin{array}{ll} 1 & if \quad l=i \\ 0 &...

• Replies: 1
• Views: 1,767
02-18-2011, 02:03 PM
8. ### Anova

Hi all, My first post on this site. I hope someone can help out there as I have been struggling for a while now on SPSS trying to do an ANOVA. ...

• Replies: 0
• Views: 1,328
GMM
04-21-2011, 05:47 PM
9. ### Anova

Can somone tell me if I get one way ANOVA significant for first factor for example gender... than when doing two way anova by adding another factor...

• Replies: 5
• Views: 3,794
10-01-2011, 10:24 AM
10. ### ANOVA - (1 Dataset - 2 Samplings) - Which ANOVA Function?

Okay so let me first say thank you to the board... Statistics is the hardest course I have ever taken, understanding it is SO HARD... until it...

• Replies: 7
• Views: 3,881
09-04-2011, 01:17 PM
11. ### ANOVA - basic assumptions

I'm trying to answer a question about the assumptions of ANOVA - my understanding (and checked on here:...

• Replies: 1
• Views: 1,111
11-27-2014, 04:17 PM
12. ### ANOVA - Calculate the sum of squares within and between from the total sum of squares

Hi there, I am wondering how to calculate the Sum of Squares within and the Sum of Squares between when I have been given the total sum of squares,...

• Replies: 2
• Views: 2,165
12-05-2016, 07:53 AM
13. ### ANOVA - convariates

I am conducting a repeated measures analysis of variance (ANOVA), with a behavioral task scores at two sessions (baseline and experimental) entered...

• Replies: 1
• Views: 2,286
02-04-2011, 06:11 PM
14. ### ANOVA - discrepancy between main result and model parameters

I am running a two-way ANOVA examining the influence of both school and gender on Likert scale answers. The Type III SS results show school...

• Replies: 0
• Views: 965
07-31-2015, 09:53 AM
15. ### ANOVA - Greenhouse Geisser

Hey folks, I'm just a little bit confused and hope someone might can help me: I'm working on the statistics part of my thesis and performed...

• Replies: 4
• Views: 25,096
Oak
03-02-2016, 11:05 AM
16. ### ANOVA - interpreting the results

I'm simplifying my problem here, but assume I run a one-way ANOVA, and my independent factor has three levels, A, B and C. I run the ANOVA and find...

• Replies: 5
• Views: 1,553
03-10-2013, 02:29 PM
17. ### ANOVA - Main effects and interactions

I have a question about ANOVA main effects and interactions. If my main effects are not significant, can I go ahead and make any sense out of...

• Replies: 4
• Views: 3,847
08-18-2006, 10:58 PM
18. ### ANOVA - one-way vs repeated measures? or both?

What is the best way to analyze this data please? I have 2 groups (treatment group, control group) and 2 time points for each group (day 0, day 1,...

• Replies: 2
• Views: 1,692
01-22-2013, 12:35 PM
19. ### ANOVA - Orthogonal Planned Comparisons

We've been given this question on a sample exam paper. An experimenter is exploring the effects of two appetite suppressants in rats. Suppressant...

• Replies: 2
• Views: 1,704
12-14-2013, 12:28 PM
20. ### ANOVA - Post Hoc Testing Problem.. Help!!

Good Morning all, This is my first post.. I am so excited that this forum exists.. I am running an ANOVA at the moment, with a DV, and 3 IV's....

• Replies: 0
• Views: 2,147
05-12-2007, 09:04 PM
21. ### ANOVA - strength of correlation question

(Have searched for this already) Hi, How do you find the strength of correlation between two variables using an ANOVA table? "Pr(>F)" gives...

• Replies: 1
• Views: 3,283
04-25-2009, 10:46 AM
22. ### ANOVA - Uneven observations p/condition but same sample size

Good Day everyone, Hope all is going well. This is my first post on this forum so I hope I am doing it right. I saw another post on a forum and...

• Replies: 0
• Views: 1,080
12-01-2015, 01:30 PM
23. ### ANOVA -- what is this question asking for?

An animal scientist recorded the information in the following table from an experiment dealing with wool length measured on twelve sheep randomly...

• Replies: 5
• Views: 3,761
03-18-2011, 10:44 AM
24. ### ANOVA --- one factor vs. two factor?

Had a quick question when do we run a single factor run of ANOVA vs TWO FACTOR? The following question is what i'm working on, should i use...

• Replies: 0
• Views: 7,291
12-09-2008, 09:36 PM
25. ### ANOVA 2x6 Question

I'm looking at doing a project where I have participants view images of people with different emotional and facial expressions. I would display the...

• Replies: 5
• Views: 7,139
05-04-2010, 08:34 AM
26. ### anova 3 way sum of square type - mtalb

Hi, I have written 3way-anova in c++. I have 3 factors, lets say a,b and c. The result of my code is the same as MATLAB when I use type I sum of...

• Replies: 0
• Views: 2,621
05-24-2011, 02:00 PM

Hi I am trying to do some tests and I need some advice. I am comparing scores on two different questionnaires given to around 1000 people. The issue...

• Replies: 1
• Views: 2,348
10-07-2006, 08:45 AM
28. ### ANOVA analysis based on a mixture of within subject and between subject design?

I have finished an experiment, and I used a mixture of within subject and between subject design, I am wondering if there is a specific name for this...

• Replies: 0
• Views: 1,035
03-18-2015, 08:23 AM
29. ### ANOVA and ANCOVA help please

Hi, I am having problems with my ANCOVA. I have been asked to perform an ANCOVA on the data we have been given. Normally I'm okay with ANCOVAS.. but...

• Replies: 0
• Views: 1,949
04-13-2009, 11:40 PM

Can you please help me figure out if the following questions are ANOVA or Chi Square? I have completed them to what I think is right, but I am not...

• Replies: 5
• Views: 4,765
03-17-2009, 10:14 PM
31. ### ANOVA and dependent t-test

I need some help... Is it possible to run a dependent t-test and an ANOVA on the same data? Here is what I am looking at... I have 2 groups (control...

• Replies: 1
• Views: 2,667
06-17-2008, 04:02 PM
32. ### ANOVA and Errors?

Hi guys, I was wondering if I could run something by some people. If I have 30 unique samples of data, but with the same variables, is the...

• Replies: 3
• Views: 2,719
10-06-2010, 06:10 AM
33. ### ANOVA and Kruskall-Wallis

Hi I was wondering whats the consequence of using Kruskall Wallis when ANOVA assumptions are met (normality and equal variance) for an experiment?

• Replies: 1
• Views: 2,810
03-12-2009, 10:04 PM
34. ### ANOVA and non-normality

Hello, I am currently working with a large data set (n>3000) and will be comparing scores on a number of tests across four different groups. A...

• Replies: 2
• Views: 2,339
02-24-2014, 08:56 AM
35. ### ANOVA and P-value

I have a linear regression with an ANOVA table with F(4,8) = 2.763 Regression: 4 df Residual: 8 df F Statistic: 2.763 Significance: .103 ...

• Replies: 1
• Views: 1,350
03-18-2015, 02:39 PM
36. ### ANOVA and pairwise comparisons

solved thank you

• Replies: 1
• Views: 1,392
11-16-2013, 03:37 PM
37. ### Anova and post hoc test

Hello everybody, I need some help with statistics and sas. I am doing my PhD and I have 2x2x2 factorial design. I am using the glm procedure...

• Replies: 0
• Views: 4,355
06-17-2010, 05:38 PM
38. ### Anova and SD

(provided anova summary table) The design has equal n, 4 groups that have same Standard deviation of 3.45 woudnt a fifth group have the same SD?

• Replies: 0
• Views: 1,040
nyo
10-07-2012, 03:34 PM
39. ### ANOVA and sig. question

I have a question about ANOVA and statistical significance. I have a 18 question Likert style survey, with about 400 replies. I am analysing...

• Replies: 3
• Views: 3,124
07-28-2006, 07:15 AM
40. ### ANOVA and significant difference for individuals?

Hi all, I have the means and SD of three subject groups after the same treatment plotted over time on a line graph. I can clearly see where there...

• Replies: 1
• Views: 3,198
07-24-2008, 08:27 AM
41. ### ANOVA and Skewed distribution

Hi, I'm new to this forum - I work in the field of Geology and I am face an interesting problem to attempt to understand the distribution of Gold...

• Replies: 3
• Views: 6,334
08-29-2008, 08:35 AM
42. ### ANOVA assistance

Hi, I need to analyse some data I've collected and am trying to determine which stat method to use. I think a two-way ANOVA is the one I am after;...

• Replies: 0
• Views: 2,663
11-06-2010, 09:02 PM
43. ### ANOVA contrast coding for 4 groups.

Hello, I have four groups 1, 2, 3, and 4, and I'm trying to compare the average of 1 and 2 vs. group 3 and group 4 (note not the average of group...

• Replies: 2
• Views: 2,681
10-17-2014, 12:47 PM
44. ### ANOVA contrast question

Hi, all: I have a 2*2 factorial design. I would like to study interaction effect. My question is what the difference between contrasts ...

• Replies: 1
• Views: 3,019
08-06-2008, 10:31 PM
45. ### anova contrasts problem

Hi, I have data from an experiment with 3 conditions (and a few covariates), and I am running ANOVA (or ancova). The conventional approach is to...

• Replies: 1
• Views: 3,461
05-23-2008, 02:26 PM
46. ### ANOVA definition clarification

Hello, I was reading a paper and the following line confused me "A 2-factor (5-HTTLPR genotype and sex) analysis of variance revealed no...

• Replies: 3
• Views: 2,675
11-21-2011, 12:59 PM
47. ### ANOVA design question

Hello, I have the following design looking for differences between quantified values in an ecological setting. I am unsure of which ANOVA should...

• Replies: 1
• Views: 2,382
03-23-2010, 12:05 PM
48. ### ANOVA exercise

Hello, My question is: in which way this exercise should be solved? It can't be solved with F test, because there were no given F-test value table...

• Replies: 8
• Views: 1,515
02-12-2015, 08:21 AM
49. ### ANOVA F Statistic

I am confused and I think it is a matter of terminology ... Do I have this correct? ... Does: Between Groups = Explained Variance = Group...

• Replies: 1
• Views: 2,395
02-11-2008, 09:07 AM
50. ### ANOVA for a correlational study?

Hi, I have a rather simple question. Can an ANOVA test be used for a correlational study? I'm looking to examine the differences in the...

• Replies: 0
• Views: 1,915
11-21-2013, 06:00 AM
51. ### anova for regression

hi.. i just did some question about regression. the data are: x: 2 3 4 5 6 7 8 9 10 y: 1.7 1.1 0.5 0.7 ...

• Replies: 1
• Views: 3,291
12-14-2008, 04:09 AM
52. ### ANOVA for survey results

I have 5 survey questions where participants gave a response from 1 to 10. Can I use a simple ANOVA test to determine if the mean result of at...

• Replies: 3
• Views: 2,372
03-26-2014, 07:51 PM
53. ### ANOVA for temporal factor data - Data thinning to avoid autocorrelation/dependence?

Hi all I am conducting an analysis to assess the temporal occurrence of a species of whale in our survey area at different time scales using...

• Replies: 0
• Views: 1,913
KCG
05-21-2015, 01:37 PM
54. ### ANOVA help

Hi All, I have to compute an ANOVA table by hand, and I've only been given total scores for each group, sample size for each group, and...

• Replies: 1
• Views: 2,602
10-09-2006, 08:52 PM
55. ### Anova help

6 different Combinations A B C D E F 50 respondents ( who each had to answer questions about each of the 6 different combinations labelled A to F)....

• Replies: 0
• Views: 1,848
08-19-2009, 10:23 AM
56. ### ANOVA help

Hi, I have 3 main effects: A, B and C, A has 2 levels B has 2 levels C has 2 levels I performed proc glm ANOVA; I found no significant main...

• Replies: 6
• Views: 3,720
06-03-2010, 01:47 PM

Page 13 of 294 First 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 63 113 ... Last

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Note: when sorting by date, 'descending order' will show the newest results first.