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Forum: Statistical Research

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

  1. Sticky Thread 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...

    Started by Englund‎, 01-18-2014 04:56 AM
    • Replies: 14
    • Views: 18,714
    10-11-2014, 12:02 PM Go to last post
  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...

    Started by Harrybaba‎, 04-17-2015 12:46 PM
    • Replies: 0
    • Views: 1,990
    04-17-2015, 12:46 PM Go to last post
  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? ...

    Started by ttom‎, 09-24-2012 06:59 PM
    • Replies: 1
    • Views: 1,741
    09-29-2012, 11:45 PM Go to last post
  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...

    Started by mdnelson‎, 06-23-2015 09:24 PM
    • Replies: 0
    • Views: 1,397
    06-23-2015, 09:24 PM Go to last post
  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...

    Started by Blank‎, 09-05-2012 02:17 PM
    reliability
    • Replies: 14
    • Views: 3,808
    09-07-2012, 05:13 PM Go to last post
  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...

    Started by Millie‎, 02-01-2012 02:51 AM
    • Replies: 2
    • Views: 2,901
    02-04-2012, 12:46 AM Go to last post
  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...

    Started by cassandra‎, 08-11-2012 05:54 AM
    • Replies: 2
    • Views: 2,540
    08-11-2012, 12:48 PM Go to last post
  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

    Started by seaturtle‎, 02-17-2017 07:10 PM
    • Replies: 0
    • Views: 1,691
    02-17-2017, 07:10 PM Go to last post
  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...

    Started by poplin‎, 08-30-2012 08:52 PM
    creativity, moderation, spss
    • Replies: 0
    • Views: 2,277
    08-30-2012, 08:52 PM Go to last post
  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...

    Started by Gabriel N.‎, 01-01-2016 12:26 PM
    clustering, multidimensional scaling, multivariate analysis, vector
    • Replies: 1
    • Views: 1,614
    01-01-2016, 12:39 PM Go to last post
  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...

    Started by Gags‎, 01-04-2012 07:18 PM
    • Replies: 1
    • Views: 3,986
    01-06-2012, 07:44 PM Go to last post
  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...

    Started by nicola‎, 06-16-2015 05:04 PM
    normality test
    • Replies: 11
    • Views: 1,531
    06-23-2015, 03:51 PM Go to last post
  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...

    Started by norajones‎, 04-03-2013 11:44 AM
    • Replies: 2
    • Views: 1,343
    04-10-2013, 10:20 PM Go to last post
  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...

    Started by rocketman‎, 01-06-2014 02:14 PM
    binary data, modelling, probability, probability distribution, simualtion
    • Replies: 1
    • Views: 1,181
    01-06-2014, 04:08 PM Go to last post
  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...

    Started by Stats_newby‎, 12-04-2013 05:51 AM
    • Replies: 0
    • Views: 1,016
    12-04-2013, 05:51 AM Go to last post
  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 ...

    Started by krisolskro‎, 02-04-2011 03:05 PM
    • Replies: 0
    • Views: 3,123
    02-04-2011, 03:05 PM Go to last post
  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...

    Started by ablackburn‎, 11-11-2012 11:28 AM
    home, real estate, statisics
    • Replies: 2
    • Views: 1,323
    11-11-2012, 03:25 PM Go to last post
  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...

    Started by lafcina‎, 04-28-2010 04:02 AM
    • Replies: 0
    • Views: 2,759
    04-28-2010, 04:02 AM Go to last post
  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

    Started by capturgaby‎, 09-24-2012 07:18 AM
    • Replies: 2
    • Views: 1,225
    09-24-2012, 10:38 AM Go to last post
  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...

    Started by ELAPIERRE‎, 04-07-2013 04:05 PM
    • Replies: 1
    • Views: 1,066
    04-07-2013, 04:22 PM Go to last post
  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...

    Started by Marine‎, 04-14-2013 07:32 PM
    • Replies: 1
    • Views: 2,323
    04-14-2013, 08:19 PM Go to last post
  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...

    Started by rashid‎, 11-18-2008 10:13 AM
    • Replies: 0
    • Views: 2,095
    11-18-2008, 10:13 AM Go to last post
  22. help with significant interaction, but without simple effects in 2*3 repeated ANOVA

    Dear Experts, I have a 2*3 repeated ANOVA data. I found a significant interaction effect between them (it is a marginal effect, p=0.047). However,...

    Started by lickey1981‎, 02-07-2015 06:36 AM
    • Replies: 0
    • Views: 1,098
    02-07-2015, 06:36 AM Go to last post
  23. [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...

    Started by spunky‎, 09-26-2012 05:19 PM
    • Replies: 2
    • Views: 2,904
    09-26-2012, 05:51 PM Go to last post
  24. 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...

    Started by Aldus‎, 01-31-2012 06:52 PM
    likert scale, pearson, regresion analysis, spearman, utaut
    • Replies: 0
    • Views: 1,935
    01-31-2012, 06:52 PM Go to last post
  25. 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...

    Started by dbaker‎, 03-23-2011 07:31 PM
    • Replies: 3
    • Views: 3,228
    04-05-2011, 05:19 AM Go to last post
  26. 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...

    Started by Shakste‎, 08-11-2012 03:46 PM
    • Replies: 2
    • Views: 1,688
    08-17-2012, 01:00 PM Go to last post
  27. Question 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...

    Started by antivanov‎, 11-12-2012 05:11 PM
    cluster analysis, data analysis, methodology, regession
    • Replies: 2
    • Views: 1,390
    11-15-2012, 12:45 PM Go to last post
  28. Question 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...

    Started by HFFL‎, 09-01-2008 12:21 PM
    • Replies: 1
    • Views: 2,679
    11-07-2008, 09:54 PM Go to last post
  29. 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...

    Started by swoody729‎, 11-29-2011 09:53 PM
    • Replies: 1
    • Views: 1,439
    11-30-2011, 05:47 PM Go to last post
  30. 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...

    Started by Karashur‎, 01-19-2014 05:33 PM
    • Replies: 1
    • Views: 1,231
    01-21-2014, 12:52 PM Go to last post
  31. 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...

    Started by stats_rookie‎, 09-15-2010 04:30 AM
    • Replies: 0
    • Views: 1,625
    09-15-2010, 04:30 AM Go to last post
  32. Help! I'm lacking creativity!

    Hello Everyone! I'm new to this forum so please forgive me if I break any rules. :o I'm taking a Quantitative Research Methods Class this...

    Started by prettyignorant12‎, 11-11-2009 11:25 PM
    • Replies: 0
    • Views: 2,108
    11-11-2009, 11:25 PM Go to last post
  33. Post 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...

    Started by Yohanes115‎, 07-06-2017 03:55 AM
    • Replies: 3
    • Views: 701
    07-11-2017, 01:58 PM Go to last post
  34. Question 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...

    Started by djomla‎, 11-07-2012 06:15 PM
    • Replies: 0
    • Views: 1,035
    11-07-2012, 06:15 PM Go to last post
  35. Smile 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...

    Started by lweng‎, 07-20-2011 06:42 PM
    • Replies: 4
    • Views: 1,612
    07-20-2011, 08:45 PM Go to last post
  36. Help!!!!!

    Is anyone seeing my posts? Please help!!!! It is an EMERGENCY

    Started by Madonna‎, 01-27-2014 06:04 AM
    • Replies: 2
    • Views: 1,487
    01-27-2014, 09:23 AM Go to last post
  37. 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...

    Started by autumnwu‎, 08-17-2011 07:17 AM
    • Replies: 0
    • Views: 1,605
    08-17-2011, 07:17 AM Go to last post
  38. 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...

    Started by croberto‎, 08-14-2016 05:27 PM
    • Replies: 1
    • Views: 1,297
    08-14-2016, 08:52 PM Go to last post
  39. Lightbulb 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...

    Started by pdsro‎, 11-06-2009 04:58 PM
    • Replies: 0
    • Views: 2,333
    11-06-2009, 04:58 PM Go to last post
  40. 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...

    Started by bavarois‎, 04-08-2009 10:21 AM
    • Replies: 0
    • Views: 2,487
    04-08-2009, 10:21 AM Go to last post
  41. 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...

    Started by dave_123‎, 02-03-2017 03:06 AM
    dataset, econometric, regression, scale, spatial
    • Replies: 0
    • Views: 1,475
    02-03-2017, 03:06 AM Go to last post
  42. 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...

    Started by lisa131067‎, 03-07-2009 08:35 PM
    • Replies: 0
    • Views: 1,816
    03-07-2009, 08:35 PM Go to last post
  43. 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...

    Started by mbo‎, 03-29-2015 07:14 AM
    mancova, regression slopes
    • Replies: 0
    • Views: 1,117
    03-29-2015, 07:14 AM Go to last post
  44. 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...

    Started by adrianbrah‎, 01-16-2012 12:35 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 7,212
    02-03-2012, 01:00 PM Go to last post
  45. HI what does the alpha sign mean?

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

    Started by h974483‎, 10-06-2011 01:48 AM
    • Replies: 0
    • Views: 1,951
    10-06-2011, 01:48 AM Go to last post
  46. 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...

    Started by mastero‎, 11-22-2013 07:11 AM
    • Replies: 0
    • Views: 955
    11-22-2013, 07:11 AM Go to last post
  47. 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...

    Started by stats-student‎, 02-20-2013 11:07 AM
    • Replies: 4
    • Views: 1,653
    03-04-2013, 08:03 AM Go to last post
  48. 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...

    Started by Ph8‎, 09-17-2013 03:16 PM
    multicollinearity, partitioning, regression models
    • Replies: 0
    • Views: 2,845
    09-17-2013, 03:16 PM Go to last post
  49. 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...

    Started by nsmit1‎, 01-28-2009 08:00 AM
    • Replies: 2
    • Views: 5,166
    01-29-2009, 04:49 AM Go to last post
  50. 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...

    Started by ecotrone23‎, 09-04-2009 11:28 PM
    • Replies: 1
    • Views: 2,319
    12-11-2012, 07:02 PM Go to last post
  51. 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...

    Started by LHH‎, 03-05-2014 11:41 AM
    control variables, hierarchical regression, multiple regression, statistical analysis
    • Replies: 0
    • Views: 1,434
    03-05-2014, 11:41 AM Go to last post
  52. High Correlations with Very Different Distributions..?

    I am comparing a similar calculation for the same sample via two different methods. My goal is to show that the second measure offers more rich /...

    Started by american_rob‎, 07-08-2008 02:46 PM
    • Replies: 4
    • Views: 3,603
    07-14-2008, 09:59 PM Go to last post
  53. 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...

    Started by newbiestats‎, 11-15-2011 10:29 PM
    • Replies: 1
    • Views: 2,883
    11-16-2011, 12:51 AM Go to last post
  54. 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...

    Started by eunkum‎, 05-16-2013 10:01 AM
    • Replies: 1
    • Views: 1,113
    05-16-2013, 02:22 PM Go to last post
  55. 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...

    Started by strumpeace‎, 05-12-2011 10:33 PM
    • Replies: 4
    • Views: 7,715
    05-14-2011, 02:31 PM Go to last post
  56. 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...

    Started by gl4diator‎, 06-13-2015 09:32 AM
    • Replies: 0
    • Views: 1,219
    06-13-2015, 09:32 AM Go to last post
  57. 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'...

    Started by HHH‎, 11-11-2014 10:27 AM
    • Replies: 0
    • Views: 3,058
    11-11-2014, 10:27 AM Go to last post
  58. 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....

    Started by gracie3‎, 09-25-2010 07:31 PM
    • Replies: 0
    • Views: 3,236
    09-25-2010, 07:31 PM Go to last post
  59. 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...

    Started by moneypenny02‎, 12-07-2010 04:15 PM
    • Replies: 2
    • Views: 4,138
    12-08-2010, 11:57 AM Go to last post
  60. 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...

    Started by Blair‎, 12-11-2012 07:11 PM
    growth model, hlm, longitudinal, moderation
    • Replies: 0
    • Views: 2,994
    12-11-2012, 07:11 PM Go to last post

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