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# Forum: Statistical Research

Statistical theory and methodology. Mathematical statistics. Parametric inference. Nonparametric inference.

1. ### Sticky: Proof of the day

In this thread we post one (or more if you can't wait) proof a day. I'll start by proving the that V=\sigma^2(X'X)^{-1} in the linear...

• Replies: 14
• Views: 18,714
10-11-2014, 12:02 PM
1. ### help with finding corelation of 2 variable data

Hi all This is my first post May be this is a dumb question but I need quick help please I have data for 95 people Outcome scored by doctors...

• Replies: 0
• Views: 1,990
04-17-2015, 12:46 PM
2. ### Help with finding P-Value

I am examing the yearly % for different time periods. How do I determine the p values to see if the % changes are statistical significance? ...

• Replies: 1
• Views: 1,741
09-29-2012, 11:45 PM
3. ### help with fit and normal distribution

I have a set of data comparing age to a value. I was looking for help on assessing fit. I was also looking for the ability to analyze the normative...

• Replies: 0
• Views: 1,397
06-23-2015, 09:24 PM
4. ### Help with inter-rater reliability

Hi all, I've got a set of data that I need some advice on. I'm working on a pilot project where a group of four people evaluate essays. The way that...

• Replies: 14
• Views: 3,808
09-07-2012, 05:13 PM
5. ### Help with interpreting chi-squared

Hello everyone, I am new here, so I hope I'm posting my question in the right section! I'm having trouble interpreting the results of an old...

• Replies: 2
• Views: 2,901
02-04-2012, 12:46 AM
6. ### Help with interpreting simple chi-square!

Hi everyone, I ran a simple experiment on whether blame for failures in relationships was seen to be internal or external, and these were the...

• Replies: 2
• Views: 2,540
08-11-2012, 12:48 PM
7. ### Help with master thesis method for analysis, first time quantitative research

Deleted because of serious flaw in question asked. Will edit with an update

• Replies: 0
• Views: 1,691
02-17-2017, 07:10 PM
8. ### Help with moderation analysis in SPSS for creativity research

I'm trying to test out some moderating variables on my data. I ran an experiment looking at metaphor and creativity, with 3 moderating conditions. I...

• Replies: 0
• Views: 2,277
08-30-2012, 08:52 PM
9. ### Help with multidimensional scaling for multiple DVs

Hello statistics experts! I couldn't find an answer to my question so I thought that one of you might know: I have 14 risk sources, like nuclear...

• Replies: 1
• Views: 1,614
01-01-2016, 12:39 PM
10. ### Help with multivariate (MCA) analysis graph interpretation

Hi All, Thanks in advance for any insight you can offer!! I’ve been tasked with analyzing possible correlation between various quantitative...

• Replies: 1
• Views: 3,986
01-06-2012, 07:44 PM
11. ### help with Normality test?

Hi all! this is probably a simple question; however, my statistics skills got a bit rusty and I cannot find an appropriate solution on the...

• Replies: 11
• Views: 1,531
06-23-2015, 03:51 PM
12. ### help with pilot study

My IVS: I manipulated race of a job candidate (black or white) as well as the job candidate’s SES (Low SES or High SES) I then gave a survey...

• Replies: 2
• Views: 1,343
04-10-2013, 10:20 PM
13. ### Help with Probabilistic Modeling with many elements in simulation with unknown probs.

I'm wanting to create a probabilistic model based on several simulations, where I have a binary outcome (go or no-go) and a variable input. The old...

• Replies: 1
• Views: 1,181
01-06-2014, 04:08 PM
14. ### Help with problem for exam, Inference, two sample.

Hi guys please help me. In an effort to enhance the future reaearch performance, the university decided to classify the academic staff based on a...

• Replies: 0
• Views: 1,016
12-04-2013, 05:51 AM
15. ### Help with quick but major statistical school project!

only two questions, wont take long... would really apprechiate some replys The pool can be found here: http://www.misterpoll.com/polls/515408 ...

• Replies: 0
• Views: 3,123
02-04-2011, 03:05 PM
16. ### Help with real estate statistics.

I am a real estate appraiser in California. I want to conduct a study that will tell me what certain aspects of properties, like bedrooms, square...

• Replies: 2
• Views: 1,323
11-11-2012, 03:25 PM
17. ### Help with repeated measure analysis.

Hi there, I am confused in how to analyze a set of experimental data. I consulted a number of books and did extensive research on the net, but could...

• Replies: 0
• Views: 2,759
04-28-2010, 04:02 AM
18. ### help with reproducibility and accuracy - influence on sample sze

Statistics query resolved at TalkStats Statistics query resolved at TalkStats Statistics query resolved at TalkStats

• Replies: 2
• Views: 1,225
09-24-2012, 10:38 AM
19. ### Help with research

I will start by saying statistics is not my strong point so any help is greatly appreciated. I would like advice on methods to analyze the data I...

• Replies: 1
• Views: 1,066
04-07-2013, 04:22 PM
20. ### Help with samples-t test problem

Hello everyone, I having difficulty with a particular problem on my homework assignment. The problem is a difference between groups t test...

• Replies: 1
• Views: 2,323
04-14-2013, 08:19 PM
21. ### help with sequential type of tests in statistics for hyppothesis testing

my research topic is sequential type of tests in statistics for hyppothesis testing and i have been told to coollect atleast 20 sequential type...

• Replies: 0
• Views: 2,095
11-18-2008, 10:13 AM
22. ### [SOLVED] help with some sums and squares please? :)

hey everyone! how are you all doing? so... thing. i'm having trouble following the algebraic steps on an article i'm reading. my math sumation...

• Replies: 2
• Views: 2,904
09-26-2012, 05:51 PM
23. ### Help with statistical test.

Hello all: I'm new to the forum and new to statistics. I'm a student doing a research on User Acceptance of Technology using a model known as...

• Replies: 0
• Views: 1,935
01-31-2012, 06:52 PM
24. ### Help with t-test data analysis

Hi everyone, I am a bit lost when it comes to stats, having only had a tiny amount of it so far. In my biology class we are writing a paper on if...

• Replies: 3
• Views: 3,228
04-05-2011, 05:19 AM
25. ### Help with test interpretation

Hi all I'm doing some research and have run a few kolmogorov- smirnov tests on my data. My question is whether the magnitude of the values have...

• Replies: 2
• Views: 1,688
08-17-2012, 01:00 PM
26. ### Help With The Preffered Package Type Assessment

Hello there to everyone! I have the question concerning the underlying data analysis methodology. Here is the small introduction. There is a data...

• Replies: 2
• Views: 1,390
11-15-2012, 12:45 PM
27. ### Help with thesis research on social bookmarking

Hi, I'm writing my thesis right now and I must admit that I underestimated the complexity of the required statistics a bit. My description is quite...

• Replies: 1
• Views: 2,679
11-07-2008, 09:54 PM
28. ### Help with work project

I am attempting to do a statistical breakdown of the results from a competition we do here at my job each year. The competition has relavance, so...

• Replies: 1
• Views: 1,439
11-30-2011, 05:47 PM
29. ### Help would be much appreciated

Hi, I am currently trying to piece together my first research proposal for an MSc module. If anybody could please help it would be much...

• Replies: 1
• Views: 1,231
01-21-2014, 12:52 PM
30. ### Help!

I am stuck in trying to figure out which methodology I should use. I am working with survey data that quantifies certain attributes about managers...

• Replies: 0
• Views: 1,625
09-15-2010, 04:30 AM
31. ### HELP! Is using cross section semi series data correct?

Hello all! It is so nice to know that there is such a forum to discuss statistical matters. Allow me to introduce myself. My Name is Yohanes...

• Replies: 3
• Views: 701
07-11-2017, 01:58 PM
32. ### Help! Selection of statistical methods for experiment

Hello everyone. I need help with the selection of statistical methods for one experiment. I'm a total newbie to the statistics :yup: So, I need to...

• Replies: 0
• Views: 1,035
11-07-2012, 06:15 PM
33. ### Help!! Mini stat survey!

Hi all mathies, I have a favor to ask. My friends and I are currently working on our stat project. It's very short and we'll really appreciate...

• Replies: 4
• Views: 1,612
07-20-2011, 08:45 PM
34. ### Help!!!!!

• Replies: 2
• Views: 1,487
01-27-2014, 09:23 AM
35. ### Help!SEM fitting index all failed,tho reliability and validity test passed.Reason?!

Dear all brilliant members, I am a new analyzing thesis data. Im conducting a survey about people's behavior intention, but i came into a serious...

• Replies: 0
• Views: 1,605
08-17-2011, 07:17 AM
36. ### HELP- Cumulative meta-analyses conceptual question!

Hi, Based on the premise that cumulative meta-analysis is a "chronological combining of the experiments will show if there is a consistency in the...

• Replies: 1
• Views: 1,297
08-14-2016, 08:52 PM
37. ### HELP: Put in practice statistical test methodologies

Hi to everyone. I'm doing a research work about forecast and I found two papers that are very helpful. What I need is to use the methodologies...

• Replies: 0
• Views: 2,333
11-06-2009, 04:58 PM
38. ### Help: relationship between Regime type and war

Hy guys, i have a question and it's really important. I have to study the relationship between regime type and intrastate war. the dataset from...

• Replies: 0
• Views: 2,487
04-08-2009, 10:21 AM
39. ### HELP: Using Data on Different Spatial Scales for Econometric Regressions

*Background: Using a Production Function in form of Autoregressive Regression Model for Regional Perfomance* Hi, This question is more of a...

• Replies: 0
• Views: 1,475
02-03-2017, 03:06 AM
40. ### Help?

I have a survey of college students in which I created individual weights to account for differences in Age, Gender, Race, and degree level, so...

• Replies: 0
• Views: 1,816
03-07-2009, 08:35 PM
41. ### heterogenous regression slopes in mancova

Hey guys, I have a little problem with my MANCOVA data (4 DVs, 3 Covariates). For one of the covariates and one of the DVs, the assumption of...

• Replies: 0
• Views: 1,117
mbo
03-29-2015, 07:14 AM
42. ### Hey Guys I'm new and I need help

So basically, I have a very little knowledge about using SPSS, but I'm willing to learn. The problem is I'm having hard time on how to organize the...

• Replies: 19
• Views: 7,212
02-03-2012, 01:00 PM
43. ### HI what does the alpha sign mean?

it says, such and such variable (6 items, "alpha sign" = .88) is a measure of .......

• Replies: 0
• Views: 1,951
10-06-2011, 01:48 AM
44. ### Hierarchial or mixed models, Dirichlet priors, modelling and inference help...

Hi, I'm new to Bayesian inference but I have read what I have found about the subject and believe I have an understanding about the basic...

• Replies: 0
• Views: 955
11-22-2013, 07:11 AM
45. ### Hierarchical (nested) ANOVA non-significant interactions

Hi, I am trying to build and test models in hierarchical Analysis of Variance. I wondered if someone could offer some advice as to what to do if...

• Replies: 4
• Views: 1,653
03-04-2013, 08:03 AM
46. ### Hierarchical / variance partitioning - criticisms of the method

I'm about to use variance partitioning to interpret my results of a given linear regression model and across models and have come across various...

• Replies: 0
• Views: 2,845
Ph8
09-17-2013, 03:16 PM
47. ### Hierarchical Cluster Analysis: which method to use?

Hi all, I have a data set consisting of 32 records (linguistic constructions) and count data on how often each construction is used for each of 5...

• Replies: 2
• Views: 5,166
01-29-2009, 04:49 AM
48. ### Hierarchical Linear Modeling

I have a question about independent variables in HLM. Does it matter if they are dichotomous or continuous? Are there any advantages to dichotomizing...

• Replies: 1
• Views: 2,319
12-11-2012, 07:02 PM
49. ### Hierarchical Regression Analysis - is this the correct technique

I am proposing a study to find out whether cognitive restraint, disinhibition and hunger predict weight gain in pregnancy. However, I know from...

• Replies: 0
• Views: 1,434
LHH
03-05-2014, 11:41 AM
50. ### Histogram height in frequency table

My question for the above image is why is it 190 for the histogram height and 4 at the end?? My other question is why is it 15 in histogram...

• Replies: 1
• Views: 2,883
11-16-2011, 12:51 AM
51. ### Hlm

I did hierarchical linear modeling. Two variables were not significantly related to the dependent variable at level 1, but I retained them in the...

• Replies: 1
• Views: 1,113
05-16-2013, 02:22 PM
52. ### HLM and SEM

I'm not sure if this is the right forum for this question, but I'll keep my fingers crossed... I'm in a Ph.D. program and am definitely more of a...

• Replies: 4
• Views: 7,715
05-14-2011, 02:31 PM
53. ### HLM Graphics

Hi Guys, i am working with hlm 7 and a 3-level-Model. I analyse if Extraversion is a Moderator between Event Leader/employe (for example positive...

• Replies: 0
• Views: 1,219
06-13-2015, 09:32 AM
54. ### HLM or MANOVA/MANCOVA

Hello, For my study, I will use a data set that includes 22 schools, 2 to 20 teachers in each school, and 4 students from each teachers'...

• Replies: 0
• Views: 3,058
HHH
11-11-2014, 10:27 AM
55. ### HLM Sample size and Equality of Groups

Hi, I have 3 data points (Fall, Winter, Spring) regarding the oral reading fluency of 2 groups of children collected over a school year....

• Replies: 0
• Views: 3,236
09-25-2010, 07:31 PM
56. ### HLM vs. Fixed Factor vs. Dummy Variables -- What to choose?

Hi all, I am trying to analyze data from a survey that I ran, which includes individual residents within 4 neighborhoods. I want to be able to...

• Replies: 2
• Views: 4,138
12-08-2010, 11:57 AM
57. ### HLM-Longitudinal Analysis: Moderation in level 2 variables?

Hi, I am creating a growth model using HLM 7 where Level 1 is Occasion and Level 2 is Person. I am trying to see if I can test the moderation...

• Replies: 0
• Views: 2,994
12-11-2012, 07:11 PM

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