1. 10-14-2010
    Views:
    33,022
+ Post New Thread
Page 9 of 48 FirstFirst 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 ... LastLast
Threads 481 to 540 of 2825

Forum: Psychology Statistics

Psychological statistics, quantitative psychology. Statistics in social sciences. Experimental design, data analysis.

  1. Arrow Sticky Thread Sticky: Please Read This Before Posting

    Please provide us with some basic information before we can give useful advice: 1. purpose of the study / research question / hypotheses, if...

    Started by quark‎, 11-10-2005 12:21 AM
    • Replies: 0
    • Views: 21,138
    11-10-2005, 12:21 AM Go to last post
  1. Question about contrast coefficients in split plot ANOVA

    I had a statistical question regarding specific contrasts for a mixed ANOVA that I am running (Cond is a between subjects factor and Time is a within...

    Started by petervenkmanjr‎, 09-19-2012 02:11 PM
    • Replies: 1
    • Views: 1,432
    11-10-2014, 07:04 PM Go to last post
  2. How to test Accuracy significantly different from chance?

    Hi All, So I have more than 60 subjects who participated in an experiment. I would like to exclude those who performed at chance level. The...

    Started by ilaria‎, 11-10-2014 01:14 PM
    chance level, performance, significance test
    • Replies: 4
    • Views: 853
    11-10-2014, 04:17 PM Go to last post
  3. Icc

    Hi! I'm interested in using an Intraclass Correlation Coefficient to answer some questions about a project. I'm wondering if someone can advise on...

    Started by jamesmartinn‎, 11-05-2014 01:19 PM
    • Replies: 2
    • Views: 860
    11-10-2014, 08:45 AM Go to last post
  4. HELP effect size and z value

    Hey there, for non-parametric tests, what exactly is the Z value(I've heard different reasons one being to do with probabilities...). Do you have...

    Started by Rupert93‎, 11-08-2014 02:54 PM
    • Replies: 2
    • Views: 988
    11-08-2014, 05:33 PM Go to last post
  5. Question Need help Identifying the method to Analyze my data & assumption tests

    Any and all help would be much appreciated! I've detailed a bit of information below, but if I left anything out please let me know My hypotheses...

    Started by ztable‎, 11-08-2014 02:37 PM
    • Replies: 0
    • Views: 809
    11-08-2014, 02:37 PM Go to last post
  6. Comparsion grouped data (binary)

    Hello people! I have a simple question.. I want to compare grouped data that have a binary outcome (I hope I say this right..). Explanation: My...

    Started by tartufo‎, 11-06-2014 05:22 PM
    • Replies: 0
    • Views: 510
    11-06-2014, 05:22 PM Go to last post
  7. Exclamation Systematic way to find cases with random answers in a survey data set

    Hi everyone ! I'm new to the forums and I am a first year PhD student. We just collected data with a survey the research team I work on...

    Started by pvincentruz‎, 11-06-2014 10:53 AM
    random answers, survey
    • Replies: 3
    • Views: 740
    11-06-2014, 12:20 PM Go to last post
  8. Lightbulb Can I still incorporate excluded cases in some analyses?

    Hi again! In our study we want to exclude subject with a schizotypal personality disorder as well as possible without needing to do any clinical...

    Started by Saluience‎, 11-04-2014 06:02 AM
    cut-off
    • Replies: 3
    • Views: 666
    11-06-2014, 12:08 PM Go to last post
  9. Lightbulb Hypothesis: High levels of variable X+Y predict Z better than X/Y alone

    I'm working on a paper for school about mindfulness and have found this in the literature: A sample of mindfulness practitioners was analyzed to...

    Started by Inferknite‎, 11-05-2014 07:21 PM
    • Replies: 3
    • Views: 1,337
    11-06-2014, 11:59 AM Go to last post
  10. Reporting ANOVA & Kruskal-wallis in one table

    Hello, I have been trying to get to the bottom of this and it seems rather inconsistent across papers, so perhaps someone could help... I'm...

    Started by flapjacj2000‎, 11-05-2014 08:47 PM
    • Replies: 0
    • Views: 851
    11-05-2014, 08:47 PM Go to last post
  11. Work absence prediction

    Hi I want to make a model to predict sickness rate (as a percentage of total number of employees) based on weekday/month/age/job/shift/length of...

    Started by davidman‎, 11-05-2014 07:31 PM
    • Replies: 0
    • Views: 771
    11-05-2014, 07:31 PM Go to last post
  12. Item response theory - 3PL and multidimensional models

    I am interested in understanding whether there may be a relationship between a 3PL IRT model and multidimensional IRT models. Here is an explanation...

    Started by nicnic‎, 11-04-2014 05:37 PM
    • Replies: 5
    • Views: 1,109
    11-05-2014, 01:21 AM Go to last post
  13. Paired Samples T test or Repeated Measures ANOVA?

    Hi everyone, I am on a tight deadline and could use some input on my proposed analyses for my project. PROJECT: I am administering a novel...

    Started by jmmu‎, 10-18-2014 04:30 PM
    paired samples t-test, pre-post, repeated measure anova
    • Replies: 1
    • Views: 1,156
    11-04-2014, 07:10 PM Go to last post
  14. Developmental Psychology Stats

    Hello, I'm struggling coming up for stats for my study..my teacher is telling me to do non-parametric tests e.g. a wilcoxin and Man-witney U. It's on...

    Started by Rupert93‎, 11-04-2014 08:03 AM
    • Replies: 0
    • Views: 564
    11-04-2014, 08:03 AM Go to last post
  15. Question Scale-wise testing for "missing completely at random"?

    Hi there! :) I want to impute my missing data by using maximal likelihood (ML) estimation in SPSS. I've read that concerning questionnaire data...

    Started by Saluience‎, 11-04-2014 05:52 AM
    little's mcar, mcar, missing, missing data, missing value analysis
    • Replies: 1
    • Views: 620
    11-04-2014, 06:03 AM Go to last post
  16. Sample Size for Prevalence Study

    Hi All, I was hoping to get some advice on how to use the following formula to estimate sample size for a prevalence study (paper with exact...

    Started by bozatron‎, 10-27-2014 04:12 AM
    sample size
    • Replies: 4
    • Views: 2,751
    11-03-2014, 10:14 AM Go to last post
  17. Moderation in Repeated Measures ANOVA?

    Hi all, My study is looking at the influence of 3 different training types on performance (so I have 3 conditions). Participants were tested at 4...

    Started by RER31‎, 11-02-2014 03:02 PM
    • Replies: 3
    • Views: 1,050
    11-02-2014, 05:25 PM Go to last post
  18. comparing statistical distributions and identifying differences

    Hello! I am doing an experiment which involves measuring a property of around 5000 proteins. The observation is a ratio which will be between...

    Started by raju.adduri‎, 10-31-2014 08:30 AM
    • Replies: 2
    • Views: 646
    11-01-2014, 08:28 AM Go to last post
  19. Measure of overlap between two sets of ratings (Mahalanobis?)

    Hi all, I would like to compute a measure of overlap between two sets of ratings made by the same individual. To illustrate, let’s assume the...

    Started by Kalle‎, 10-30-2014 10:53 AM
    • Replies: 2
    • Views: 800
    10-31-2014, 09:49 AM Go to last post
  20. Test-Retest Reliability Coefficient

    Hi Folks, Hopefully this is a relatively easy question. I collected data on a measure at two time points, and I would like to run a test-retest...

    Started by herwitz‎, 07-22-2014 09:35 AM
    cohen's kappa, test-retest
    • Replies: 8
    • Views: 1,302
    10-30-2014, 09:56 AM Go to last post
  21. Do clothes or underwear express character?

    Background I am a university level psychologists-come-English-conversation teacher, that directs student psychology even though I don't have much...

    Started by timtak‎, 10-23-2014 04:10 AM
    correlation, pearson's r
    • Replies: 4
    • Views: 1,044
    10-23-2014, 10:21 AM Go to last post
  22. Mixed-effects logistic regression model for a 10-step continuum

    Hello, I am trying understand how to correctly build a mixed-effects logistic regression model in R. I believe my model is pretty simple and...

    Started by statfail‎, 10-23-2014 12:09 AM
    logistic regression, mixed-effects, psychology
    • Replies: 0
    • Views: 627
    10-23-2014, 12:09 AM Go to last post
  23. Question: what statistical test to use to measure cooperation (prisoner's dilemma)

    Hi. I'm an undergraduate student and I've designed an experiment for one of my capstone courses, but I'm not sure quite how to analyze the...

    Started by cds08097‎, 10-22-2014 01:05 PM
    chi squared, cooperation, language, prisoners dilemma
    • Replies: 0
    • Views: 593
    10-22-2014, 01:05 PM Go to last post
  24. Categorical data analysis for within subjects design

    Hi, I hope someone here would be able to help. I conducted an experiment with within subjects design with 2 independent categorical variables...

    Started by AJ0‎, 10-22-2014 11:50 AM
    • Replies: 0
    • Views: 644
    10-22-2014, 11:50 AM Go to last post
  25. Error Simulation Curves - Non-metric MDS

    Hi Can anybody give any hint about how to make the simulation curves of error for different dimensionalities in non-metric multidimensional...

    Started by MDSnewbie‎, 10-21-2014 11:22 AM
    • Replies: 0
    • Views: 467
    10-21-2014, 11:22 AM Go to last post
  26. Is biological disposition an Independent Variable? What do you think?

    I've been asked to look at the relationship between child attachment in the first year of life and problem behavior at age 10. Also, whether gender...

    Started by roganjosh27‎, 10-21-2014 04:11 AM
    biology, independ variable, independent variable
    • Replies: 1
    • Views: 666
    10-21-2014, 07:49 AM Go to last post
  27. Ancova?

    Hi, I would like to determine whether the frequency of a specific word category differs between participants’ oral and written texts, at two...

    Started by Ajna‎, 10-15-2014 07:22 AM
    • Replies: 5
    • Views: 1,008
    10-18-2014, 07:29 AM Go to last post
  28. T tests vs two way ANOVA?

    You have a quantitative variable (for example general intelligence) and you also have two categorical variables, each of them with two levels, for...

    Started by dmon‎, 10-18-2014 01:57 AM
    • Replies: 1
    • Views: 647
    10-18-2014, 04:02 AM Go to last post
  29. Talking 3 variables are normally distributed - 1 is not - how to transform

    Hi, I have not done transformations before but need to do now. One of my 4 variables is skewed (skewness statistic/skewness stardard error =...

    Started by Helen53‎, 10-15-2014 04:34 AM
    • Replies: 4
    • Views: 800
    10-15-2014, 08:53 AM Go to last post
  30. Comparing pre and post questionnaire percentages

    Hello, I was hoping for some help with the following few questions which I will elaborate more on below. 1) How similar does a sample need to...

    Started by Callum‎, 10-14-2014 11:37 AM
    • Replies: 4
    • Views: 996
    10-15-2014, 05:53 AM Go to last post
  31. Help on our research

    Please help me determine what statistics should we use IV= Dimple Placement/location, 6 kinds of dimple placement EXAMPLE PIC of our...

    Started by ccamiile13‎, 10-14-2014 08:39 AM
    help please, spss, statistical test, test statistic equation
    • Replies: 0
    • Views: 569
    10-14-2014, 08:39 AM Go to last post
  32. Regarding Cohen's d use...

    Hi, I am confused regarding added value of Cohen's d. Consider a case of paired t-test. I calculate the Cohen's d as: mean(vec1) - mean(vec2)) /...

    Started by john.gelburg‎, 10-12-2014 06:27 AM
    cohen's d
    • Replies: 2
    • Views: 812
    10-12-2014, 03:51 PM Go to last post
  33. Partial spearman correlations and normality

    hello I am trying to conduct partial spearman rho correlations with syntax. However, I have different controls for my different variables. For...

    Started by loren27‎, 10-12-2014 08:50 AM
    normality, partial spearman, sample size
    • Replies: 1
    • Views: 670
    10-12-2014, 12:09 PM Go to last post
  34. Item Response Theory vs Confirmatory Factor Analysis

    Hi all, I was wondering what the core, meaningful differences are between Item Response Theory and Confirmatory Factor Analysis. I understand...

    Started by SimonSchus‎, 10-07-2014 10:00 AM
    cfa, irt, philosophy
    • Replies: 5
    • Views: 2,454
    10-08-2014, 04:48 PM Go to last post
  35. Reverse Scored Items

    I am working on a survey and have included several reverse scored items. I am wondering though if reverse scored items buy anything? Do they...

    Started by trinker‎, 10-08-2014 09:33 AM
    • Replies: 1
    • Views: 862
    10-08-2014, 10:15 AM Go to last post
  36. MDS configuration Stress-1 acceptable value

    Hi I'm trying to do the MDS config. for ACS scale (20 items). I used ordinal model (Proxscal-spss) with primary approach (untied tied...

    Started by MDSnewbie‎, 10-08-2014 09:09 AM
    acceptable, mds, stress-1, values
    • Replies: 0
    • Views: 696
    10-08-2014, 09:09 AM Go to last post
  37. Unhappy non-significant multivariate BUT significant univariate. What to do?

    Hello, I need some urgent help with the following problem. I ran a MANCOVA but the multivariate test (Pillai's trace, wilk's lambda and...

    Started by chatlanid‎, 10-07-2014 01:50 PM
    • Replies: 2
    • Views: 748
    10-07-2014, 05:43 PM Go to last post
  38. Mann-Whitney test -- Large U values

    Hello, I've recently conducted numerous mann-whitney tests and all of the U values appear to be around 15,000 to 20,000. My n's vary between...

    Started by Templean‎, 10-02-2014 01:24 PM
    • Replies: 1
    • Views: 682
    10-06-2014, 08:54 PM Go to last post
  39. Angry Dealing with missing data in Repeated-measures ANOVAs

    Afternoon all, I've been running a longitudinal follow-up study to assess outcomes following a psychological treatment for ME. As to be expected,...

    Started by kal26‎, 10-02-2014 11:31 AM
    anovas, missing data, repeated measures
    • Replies: 3
    • Views: 736
    10-06-2014, 12:51 AM Go to last post
  40. Comparing within-group and outside-group

    Hi All, I want to compare results within a group to see if they are more closely related than random comparisons*. I'm really not sure the best...

    Started by Rob1983‎, 09-30-2014 05:38 AM
    • Replies: 2
    • Views: 655
    09-30-2014, 08:13 AM Go to last post
  41. Parametric vs. Non-parametric tests - what should I present?

    Hi everyone! I would like to have your opinion on this matter. I conducted both parametric and non-parametric MANOVAS for my master's...

    Started by arlp‎, 09-22-2014 01:16 PM
    • Replies: 5
    • Views: 945
    09-27-2014, 01:33 PM Go to last post
  42. Question Comparing two genetic models

    Hi there, I have a question about how to compare two models within SPSS. My problem: I have data acquired for let's say 100 people. My...

    Started by Xeno‎, 09-25-2014 08:47 AM
    • Replies: 4
    • Views: 738
    09-26-2014, 05:09 AM Go to last post
  43. G Theory / Variance Components problems

    I'm running SPSS Variance Components analyses using REML estimation. I have both real and fictitious data in which employees are rated by multiple...

    Started by Uwyze‎, 09-25-2014 11:33 AM
    • Replies: 9
    • Views: 904
    09-25-2014, 01:55 PM Go to last post
  44. Question Is a factor analysis possible on aggregated survey data?

    Hi, All, so I've been asked to help with an analysis and it's not as straightforward as I thought it would be. Background: The company gives...

    Started by SabbyATL‎, 09-25-2014 01:47 PM
    • Replies: 0
    • Views: 457
    09-25-2014, 01:47 PM Go to last post
  45. SEM - Comparing Models with Different Variables

    I am doing some structural equation modeling. I have made one model with 3 exogenous variables predicting 5 endogenous variables and would like to...

    Started by xralphyx‎, 01-31-2013 10:55 AM
    2 Pages
    1 2
    sem fit indices ecvi
    • Replies: 20
    • Views: 5,804
    09-23-2014, 07:58 PM Go to last post
  46. Mixed Design ANOVA (2 x 2 x 3) - Partial Eta Squared?

    I'm so confused! I have completed my thesis, and am being asked to provide the partial eta squared values for the mixed-design ANOVA I performed...

    Started by mackerbuddy‎, 09-23-2014 12:04 AM
    • Replies: 1
    • Views: 647
    09-23-2014, 07:47 AM Go to last post
  47. What test should I run? Repeated measures manova?

    Hello, I'm interested in determining if significant differences exist among consumers' perceptions of their two favorite restaurants on 4...

    Started by ColdPillow‎, 09-18-2014 11:09 AM
    • Replies: 1
    • Views: 661
    09-22-2014, 12:21 PM Go to last post
  48. Latent Growth Curve and covariates

    I'm examining latent growth curves in Mplus. My dependent variable is continuous, measured over three time points. I have a great unconditional...

    Started by reisareno‎, 09-20-2014 10:52 PM
    aic, bic, latent growth curve, mplus
    • Replies: 0
    • Views: 522
    09-20-2014, 10:52 PM Go to last post
  49. Advice on linear regression analysis

    Hi! For my dissertation, I'm conducting a research in which I'm exploring the role of some psychosocial variables (i.e. mindfulness, automatic...

    Started by arlp‎, 09-17-2014 01:26 PM
    • Replies: 5
    • Views: 863
    09-19-2014, 10:23 AM Go to last post
  50. Running non-parametric repeated measures analysis with split file on

    Okay so, I'm currently writing up my thesis, and I've got 2 between group variables and 3 within-group variables. I'm not doing a mixed design...

    Started by Mimi‎, 09-18-2014 09:29 AM
    friedman test, help me!, non-parameteric, split-file, spss
    • Replies: 0
    • Views: 562
    09-18-2014, 09:29 AM Go to last post
  51. sample size in a mixed ANOVA

    I'd like to calculate my sample size for a mixed ANOVA. I have 2 groups in my experiment and within groups I have 3 variables. the first variable has...

    Started by kata‎, 09-18-2014 06:34 AM
    • Replies: 0
    • Views: 758
    09-18-2014, 06:34 AM Go to last post
  52. Outliers question for repeated measures anova

    Hi, I just wanted some confirmation because I cannot seem to find a clear answer in any textbook yet. When running a repeated measures anova...

    Started by a.jerovich‎, 09-15-2014 01:10 AM
    • Replies: 0
    • Views: 736
    09-15-2014, 01:10 AM Go to last post
  53. decision making

    is decision making related to psychology???

    Started by haraharae‎, 09-12-2014 01:47 PM
    • Replies: 2
    • Views: 677
    09-12-2014, 02:53 PM Go to last post
  54. RMSEA impacted by high reliability scores..

    Hello again Sorry - In relation to running Confirmatory Factor Analysis - I'm wondering whether someone is aware of RMSEA being impacted by...

    Started by anon2000‎, 09-11-2014 04:07 AM
    cfa, model fit, reliability, rmsea
    • Replies: 12
    • Views: 1,699
    09-12-2014, 03:25 AM Go to last post
  55. post hoc/planned comparisons, what's ok and what's not ok?

    Hi, first time here and hoping you guys can help. I am working on a few analyses for my PI. The problem is that she knows nothing about stats and...

    Started by loust‎, 09-11-2014 08:17 PM
    • Replies: 0
    • Views: 455
    09-11-2014, 08:17 PM Go to last post
  56. Multilevel Linear Modelling Help

    Hi, I'm hoping someone with expertise with MLM/HLM etc might be able to help me. I recently conducted a transmission chain study looking at the...

    Started by freofan‎, 09-09-2014 10:50 PM
    fixed effects, hlm, mlm, random effects
    • Replies: 6
    • Views: 1,112
    09-11-2014, 12:10 AM Go to last post
  57. Factor Analysis and correlated measurement errors

    Hi, I am planning to do an experiment which seeks to measure two latent constructs related to different types of cognitive processing. For each...

    Started by Scarlatti‎, 09-09-2014 09:37 PM
    • Replies: 0
    • Views: 513
    09-09-2014, 09:37 PM Go to last post
  58. Multiple Dependent Variables and Multiple Time Points?

    Hello! I have a question about how to analyze my data. I have two groups, experimental VS control and 4 different measures related to various...

    Started by will22‎, 09-06-2014 02:33 PM
    • Replies: 0
    • Views: 528
    09-06-2014, 02:33 PM Go to last post
  59. Negative ICC values in SPSS

    Hi there, I have run an ICC to assess if scores for 5 dimensions of a quality of life scale have been rated the same by child and their parent....

    Started by Tazmes‎, 09-06-2014 09:33 AM
    icc, negative, spss, spss 21, variance
    • Replies: 0
    • Views: 906
    09-06-2014, 09:33 AM Go to last post
  60. Indirect and direct effects with multiple imputation (MIANALYZE)

    Hi all, I'm using SAS, doing some SEM with multiple imputation (PROC MI).. I can pull out almost everything I need using PROC CALIS and the PATH...

    Started by SimonSchus‎, 09-04-2014 03:46 PM
    • Replies: 0
    • Views: 385
    09-04-2014, 03:46 PM Go to last post

+ Post New Thread
Page 9 of 48 FirstFirst 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 ... LastLast

Thread Display Options

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.

Order threads in...

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

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 300 views
Hot thread with unread posts
More than 15 replies or 300 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts






Advertise on Talk Stats