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# 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: 196,807
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: 66,786
09-30-2005, 09:44 AM
1. ### ANOVA help - comparing growth rates between groups with 3 replicates in each group

Hi I'm really pretty lost, statistics have never been my strong point. I need to test whether my growth rate differences between trees are...

• Replies: 1
• Views: 2,815
09-30-2014, 01:50 PM
2. ### ANOVA help for psych project! emergency!!

hi, I am currently writing a research paper for an experiment we ran in my psychology research methods class, and am really confused as to how to...

• Replies: 1
• Views: 2,127
04-13-2009, 08:08 PM
3. ### ANOVA help!

Can anyone help with the analyses of the ANOVA output from SPSS. My thesis ihas a two tailed hypothesis and the ANOVA has produced the F values and...

• Replies: 1
• Views: 1,966
05-07-2006, 08:14 AM
4. ### Anova help!!!

I'm just finishing the proposal for my dissertation and i am totally confused! So : I have 4 IV AND 2 DV and i don t know what type of anova to do...

• Replies: 5
• Views: 1,200
11-27-2012, 08:28 PM
5. ### ANOVA help..

Im having some doubts about my answers, can someone confirm? Than you so much! A researcher reports and F-ratio with df= 2,36 for an...

• Replies: 0
• Views: 4,851
05-04-2009, 10:37 PM
6. ### Anova Homework Problem

I have this homework that gives the mean of each of the treatments but no data with it. I just a little confused on how I would calculate the SStreat...

• Replies: 1
• Views: 2,732
11-17-2010, 12:28 AM
7. ### ANOVA in SPSS

Hello all! I have a population of 76 students, separated into 3 sample groups (all differing in quantity) based on the factor (self-regulation). I...

• Replies: 0
• Views: 1,189
03-15-2015, 09:08 AM
8. ### ANOVA interaction interpretation (verbal)

>...

• Replies: 0
• Views: 2,088
04-24-2012, 06:01 PM
9. ### ANOVA interactions,Tukey HSD

Hello I am analyzing behavioral data on face processing. This is a within-subject 3x2x2 design. When I run repeated-measure ANOVA, I obtain...

• Replies: 1
• Views: 8,936
09-17-2008, 09:15 AM
10. ### ANOVA interpretation

Good morning, Please excuse the simple question but I am looking for a good resource on how to interpret the ANOVA results from a Likert-type...

• Replies: 3
• Views: 3,878
11-06-2008, 06:18 PM
11. ### ANOVA issue with experimental design

Hey guys; I am evaluating the effects that various factors may or may not have on the output of a process. Each of the factors has a different...

• Replies: 3
• Views: 1,458
09-06-2013, 07:31 AM
12. ### ANOVA lack of fit?

Hi guys,I'd really appreciate your help. I am working on an analysis in Minitab and have run my normal plot of effects in order to tell me which...

• Replies: 2
• Views: 4,475
11-14-2014, 10:54 AM
13. ### ANOVA maybe?

I realized the answer but can't see how to delete.

• Replies: 0
• Views: 2,386
12-15-2016, 07:43 PM
14. ### anova model insignificant

I ran a two-way ANOVA (standard RCBD) in SAS. The model returns as insignificant P=.23. I'm a little unclear as to how to interpret this; I assume...

• Replies: 1
• Views: 3,381
12-15-2008, 05:18 AM
15. ### ANOVA multiple comparisons corrections

How would you perform multiple corrections when using the same data for two separate ANOVAs? Example: Groups AAA, BAA, ABA, BBA, AAB, ABB, BAB,...

• Replies: 3
• Views: 1,733
03-14-2013, 03:33 PM
16. ### ANOVA normality

Hello all, a quick question on checking normality before applying ANOVA - Just have 3 groups in the ANOVA model, therefore, checking whether data...

• Replies: 4
• Views: 1,847
05-30-2015, 04:07 PM
17. ### ANOVA Not Significant, but Post-Hoc Tests Are and Vice Versa

Hi, I have a question regarding overall significant levels using ANOVA vs. Tukey's HSD test. Running the model I get this output.. ...

• Replies: 0
• Views: 2,686
08-03-2012, 06:48 PM
18. ### ANOVA on Correspondence Analysis scores

Dear All, I have heard about performing ANOVA on the scores of CA. It sounds new to me, and I would appreciate if anyone could comment on this,...

• Replies: 0
• Views: 2,582
10-30-2009, 01:19 AM
19. ### ANOVA on different metrics

Hi everyone! Hoping you can help me with a question. I am doing a paper for university. I did a test on a group of people so as to measure their...

• Replies: 3
• Views: 326
09-03-2017, 02:28 PM
20. ### ANOVA or ANCOVA

If I have a quasi experimental design, pre-test, post-test, I thought the ANCOVA needed to be used with a non equivalent group? Then do you need to...

• Replies: 1
• Views: 2,545
04-18-2009, 07:26 PM
21. ### ANOVA or ANCOVA?

Hi, IV: time (pre and follow-up), condition (experimental and control) DV: anxiety scores N: 23 (normally distributed) I want to know if CBT...

• Replies: 1
• Views: 1,278
08-13-2015, 06:46 AM
22. ### ANOVA or Chi Square for Nominal Non Parametric Data

Dear TalkStat Forum members, I was hoping to get some advice over whether I am using the appropriate test for data that I have. The notes of 70...

• Replies: 2
• Views: 1,629
05-11-2015, 01:36 AM
23. ### ANOVA or Correlation?

Hi everyone, I'm researching foreign language classroom anxiety and with a 33-item 5-point likert scale and got stuck due to some discrepant...

• Replies: 8
• Views: 2,538
07-19-2013, 03:22 PM
24. ### ANOVA or Kruskal Wallis

Dear Stats experts here... I have a question: I am counting cells in histology slides of certain timepoints after a treatment. day 0, day...

• Replies: 13
• Views: 4,357
10-24-2012, 11:09 PM
25. ### ANOVA or Kruskall-Wallis??

I would like to look at the differences in data between 3 sites, with slightly but not vastly different sample sizes. My data does violate...

• Replies: 2
• Views: 3,143
08-17-2011, 04:38 PM
26. ### Anova or mixed model, and is non-orthogonality a problem?

Hello, I am trying to test whether the following variables affect likelihood of visits by squirrels to feeding stations: Distance of feeder...

• Replies: 8
• Views: 2,174
11-11-2012, 05:31 PM
27. ### Anova or Regression

I'm seriously bad at stats and sadly for my dissertation its a must! I have chosen to look at individual attitudes towards CCTV - therefore my DV...

• Replies: 1
• Views: 1,111
02-22-2014, 10:10 AM
28. ### ANOVA or regression?

Hi, I am struggling with which analyses to use for my dissertation project and am wondering if anyone here can help me more than the mahoosive...

• Replies: 3
• Views: 3,132
03-29-2011, 04:09 PM
29. ### ANOVA or T-test

Hi I have two categorical variables as in below example: Region Dim Value PK Dim1 2 PK Dim2 3 PK Dim3 -1 PK Dim4 -4 US Dim1 -0.5 US Dim2 4.3...

• Replies: 1
• Views: 1,357
03-13-2017, 06:54 AM
30. ### ANOVA OR t-test?

Hi, I have done a study which first measure the psychological characteristics of 130 individuals at time 1 and again measured the same...

• Replies: 3
• Views: 2,546
11-11-2011, 02:28 PM
31. ### ANOVA past exam question help

Hi everyone, I'm looking over last years exam paper and one of the questions asks me to interpret an one-way independent ANOVA SPSS output and report...

• Replies: 0
• Views: 867
04-11-2015, 06:01 PM
32. ### ANOVA Perhaps, Any Ideas Welcome

I have this data set to analysis in which the varables are as follows: the effect of a dyads relationship (i variable 1, 2 levels), advice source...

• Replies: 2
• Views: 2,190
08-23-2007, 06:09 AM
33. ### ANOVA plots

Hi all, Last minute stats exam panic.... In a 'theory' question we could be asked to give example plots for ANOVAs where: There is/isn't an...

• Replies: 2
• Views: 6,863
12-09-2005, 08:45 AM
34. ### ANOVA post-hoc analysis in R

Hi everybody, I have already analyzed my dataset using two-way ANOVA in R. The result is that both variables have a significant influence, but no...

• Replies: 1
• Views: 7,954
08-18-2009, 07:59 AM
35. ### ANOVA problem: main effect vs factorial

Hello, I have a problem with my ANOVA analysis. I am anlayzing 3 categorical factors for a dependent (continuous) variabel. In STATISTICA (the...

• Replies: 1
• Views: 4,494
10-21-2010, 04:48 PM
36. ### ANOVA ques----can someone help?

Got a question about variances, am very new to stats

• Replies: 3
• Views: 3,239
11-15-2005, 09:29 PM
37. ### ANOVA question

Hi! I have a 3 x 3 ANOVA design for a study and I want to get some clarification. Specifically: Factor A = Site of Location; 3 levels (Area...

• Replies: 3
• Views: 2,491
02-28-2008, 04:06 PM
38. ### ANOVA question

I have a large data set and I find that my distribution of residuals has a "heavy tail" distribution. the normal quantile plot looks like this: ...

• Replies: 1
• Views: 3,314
08-30-2009, 05:24 PM
39. ### ANOVA question

If three groups have been compared with ANOVA and it is given a p = 0.023 how significant is the difference

• Replies: 1
• Views: 2,516
11-25-2010, 11:21 AM
40. ### ANOVA question

A researcher conducted a study to examine the effect of creatine supplementation upon peak power, which was assessed using a 30-second Wingate...

• Replies: 1
• Views: 2,202
jw3
04-08-2011, 07:53 AM
41. ### ANOVA Questions

Delete thanks

• Replies: 1
• Views: 1,376
03-19-2012, 04:47 AM
42. ### Anova related question

Hi everyone. I have a small doubt about reporting Anova result. I am examining 70 design among 40 students, so calculated the anova based on the...

• Replies: 7
• Views: 2,076
08-16-2014, 09:26 PM
43. ### Anova Repeated Measures to compare three different variables?

In a psychology research (not published yet) an Anova Repeated Measures test was used to compare three different variables measured (at the same...

• Replies: 0
• Views: 1,024
11-20-2016, 02:04 AM
44. ### ANOVA results and confidence intervals

Hallo can someone help me with this problem, please? I have done a univariate 2 factor ANOVA with spss. The problem is that the 95% confidence...

• Replies: 2
• Views: 8,109
09-11-2006, 08:53 PM
45. ### ANOVA Sample sizes

I have data on different independant populations which i would like to conduct ANOVA analysis on. I have taken measurements on samples from each...

• Replies: 1
• Views: 2,381
08-27-2009, 06:18 PM
46. ### ANOVA shows me there's a difference, but I want to know WHO is different

So I have an ordinal variable divided in to 4 groups. ANOVA shows me there is statistically significant difference between the means. But I need to...

• Replies: 2
• Views: 1,271
01-09-2014, 08:59 AM
47. ### ANOVA Simple effects help

When finding a significant interaction effect in a factorial ANOVA and then doing a simple effects of all of your comparisons, do you need to divide...

• Replies: 4
• Views: 2,557
12-07-2011, 05:34 PM
48. ### ANOVA sums of squares proof

How can I prove that a constant d can be added to each x_{ij} without affecting any of the ANOVA sums of squares? I know the computing forms of...

• Replies: 2
• Views: 7,490
02-05-2011, 04:22 PM
49. ### Anova table

I'm performing regression analysis on a time series data, (on SPSS) n the ANOVA table that I am getting contains the sum of squares for residuals =...

• Replies: 0
• Views: 3,151
08-30-2009, 03:58 PM

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