1. 10-14-2010
    Views:
    17,790
+ Post New Thread
Page 1 of 39 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... LastLast
Threads 1 to 60 of 2334

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, 11-09-2005 11:21 PM
    • Replies: 0
    • Views: 12,275
    11-09-2005, 11:21 PM Go to last post
  1. 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 03:30 PM
    paired samples t-test, pre-post, repeated measure anova
    • Replies: 0
    • Views: 129
    10-18-2014, 03:30 PM Go to last post
  2. 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 06:22 AM
    • Replies: 5
    • Views: 208
    10-18-2014, 06:29 AM Go to last post
  3. 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 12:57 AM
    • Replies: 1
    • Views: 134
    10-18-2014, 03:02 AM Go to last post
  4. 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 03:34 AM
    • Replies: 4
    • Views: 195
    10-15-2014, 07:53 AM Go to last post
  5. 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 10:37 AM
    • Replies: 4
    • Views: 215
    10-15-2014, 04:53 AM Go to last post
  6. 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 07:39 AM
    help please, spss, statistical test, test statistic equation
    • Replies: 0
    • Views: 117
    10-14-2014, 07:39 AM Go to last post
  7. 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 05:27 AM
    cohen's d
    • Replies: 2
    • Views: 217
    10-12-2014, 02:51 PM Go to last post
  8. 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 07:50 AM
    normality, partial spearman, sample size
    • Replies: 1
    • Views: 163
    10-12-2014, 11:09 AM Go to last post
  9. 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 09:00 AM
    cfa, irt, philosophy
    • Replies: 5
    • Views: 283
    10-08-2014, 03:48 PM Go to last post
  10. 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 08:33 AM
    • Replies: 1
    • Views: 156
    10-08-2014, 09:15 AM Go to last post
  11. 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 08:09 AM
    acceptable, mds, stress-1, values
    • Replies: 0
    • Views: 101
    10-08-2014, 08:09 AM Go to last post
  12. 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 12:50 PM
    • Replies: 2
    • Views: 187
    10-07-2014, 04:43 PM Go to last post
  13. 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 12:24 PM
    • Replies: 1
    • Views: 176
    10-06-2014, 07:54 PM Go to last post
  14. 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 10:31 AM
    anovas, missing data, repeated measures
    • Replies: 3
    • Views: 239
    10-05-2014, 11:51 PM Go to last post
  15. 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 04:38 AM
    • Replies: 2
    • Views: 153
    09-30-2014, 07:13 AM Go to last post
  16. 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 12:16 PM
    • Replies: 5
    • Views: 324
    09-27-2014, 12:33 PM Go to last post
  17. 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 07:47 AM
    • Replies: 4
    • Views: 220
    09-26-2014, 04:09 AM Go to last post
  18. 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 10:33 AM
    • Replies: 9
    • Views: 210
    09-25-2014, 12:55 PM Go to last post
  19. 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 12:47 PM
    • Replies: 0
    • Views: 113
    09-25-2014, 12:47 PM Go to last post
  20. 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 09:55 AM
    2 Pages
    1 2
    sem fit indices ecvi
    • Replies: 20
    • Views: 2,070
    09-23-2014, 06:58 PM Go to last post
  21. 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, 09-22-2014 11:04 PM
    • Replies: 1
    • Views: 129
    09-23-2014, 06:47 AM Go to last post
  22. 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 10:09 AM
    • Replies: 1
    • Views: 214
    09-22-2014, 11:21 AM Go to last post
  23. 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 09:52 PM
    aic, bic, latent growth curve, mplus
    • Replies: 0
    • Views: 151
    09-20-2014, 09:52 PM Go to last post
  24. 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 12:26 PM
    • Replies: 5
    • Views: 297
    09-19-2014, 09:23 AM Go to last post
  25. 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 08:29 AM
    friedman test, help me!, non-parameteric, split-file, spss
    • Replies: 0
    • Views: 117
    09-18-2014, 08:29 AM Go to last post
  26. 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 05:34 AM
    • Replies: 0
    • Views: 103
    09-18-2014, 05:34 AM Go to last post
  27. Composite reliability vs Cronbach's alpha

    Hello Wondering if someone could clarify I'm developing a new measure with 10 constructs. Each construct has between 4 - 6 items. I've...

    Started by anon2000‎, 09-09-2014 03:02 AM
    2 Pages
    1 2
    composite reliability, cronbach's alpha, questionnaire development, reliability
    • Replies: 17
    • Views: 500
    09-17-2014, 05:06 PM Go to last post
  28. 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 12:10 AM
    • Replies: 0
    • Views: 148
    09-15-2014, 12:10 AM Go to last post
  29. decision making

    is decision making related to psychology???

    Started by haraharae‎, 09-12-2014 12:47 PM
    • Replies: 2
    • Views: 186
    09-12-2014, 01:53 PM Go to last post
  30. 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 03:07 AM
    cfa, model fit, reliability, rmsea
    • Replies: 12
    • Views: 292
    09-12-2014, 02:25 AM Go to last post
  31. 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 07:17 PM
    • Replies: 0
    • Views: 111
    09-11-2014, 07:17 PM Go to last post
  32. 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 09:50 PM
    fixed effects, hlm, mlm, random effects
    • Replies: 6
    • Views: 291
    09-10-2014, 11:10 PM Go to last post
  33. 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 08:37 PM
    • Replies: 0
    • Views: 113
    09-09-2014, 08:37 PM Go to last post
  34. 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 01:33 PM
    • Replies: 0
    • Views: 168
    09-06-2014, 01:33 PM Go to last post
  35. 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 08:33 AM
    icc, negative, spss, spss 21, variance
    • Replies: 0
    • Views: 130
    09-06-2014, 08:33 AM Go to last post
  36. 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 02:46 PM
    • Replies: 0
    • Views: 152
    09-04-2014, 02:46 PM Go to last post
  37. Binomial Logistic Regression classification tables contradicted by chi square value?

    Hi, I have been attempting to run a binomial logistic regression to establish whether maternal anxiety status (anxious or non-anxious) and child...

    Started by Goldie09‎, 09-03-2014 10:24 AM
    • Replies: 0
    • Views: 147
    09-03-2014, 10:24 AM Go to last post
  38. Can I use "mixed ancova with repeated measures" in this case?

    Hi everybody, I have 4 separated groups (4 different interventions), and I measured the dependent variable over 4 time points. I considered my...

    Started by roshanak‎, 09-02-2014 01:10 PM
    • Replies: 0
    • Views: 161
    09-02-2014, 01:10 PM Go to last post
  39. Analysis for behavior change over sample treatments

    Hello all! My research examined if social behaviors in animals changed with the distribution of food treatment (clumped vs. dispersed food). My...

    Started by caddyhair‎, 08-31-2014 01:13 PM
    behavioural data, matrices, matrix, matrix data, social network
    • Replies: 3
    • Views: 267
    09-02-2014, 12:56 AM Go to last post
  40. Minimun sample for a Mann-Whitney U test

    Hello! :wave: What is the minimun sample per group for a Mann-Whitney U test? I appreciate if you give also a reference about it Thanks!

    Started by dmon‎, 08-29-2014 06:48 PM
    mann-whitney test, sample size
    • Replies: 1
    • Views: 243
    08-30-2014, 02:12 AM Go to last post
  41. Moderation Analysis

    Hi, Got a question for moderation analysis. In Step 2 where I entered the interaction term, the R^2 change = .064, F(3, 73)=1.848, p = .146, was...

    Started by ccy‎, 08-29-2014 06:51 PM
    • Replies: 1
    • Views: 163
    08-29-2014, 07:34 PM Go to last post
  42. Basic question: linear trend effect on one-way ANOVA

    Dear experts, I have a quite basic question, when doing a one-way ANOVA (4 groups) in SPSS, if i don't find a significative effect (F test), does...

    Started by S_CALVIN‎, 08-26-2014 07:49 AM
    • Replies: 0
    • Views: 180
    08-26-2014, 07:49 AM Go to last post
  43. Question Intraclass Correlation Coefficient Types

    I have two datasets in which I probably need to use the intraclass correlation coefficient, and I want to make sure I choose the right type. ...

    Started by noober‎, 08-25-2014 07:02 PM
    data analysis, icc
    • Replies: 0
    • Views: 140
    08-25-2014, 07:02 PM Go to last post
  44. Nested vs non-nested model?

    Hi all, I am running a confirmatory factor analysis and trying to work out if my two models are nested or not - this will be important for me to...

    Started by SimonSchus‎, 08-25-2014 02:30 PM
    amos, cfa, models, nested, sem
    • Replies: 2
    • Views: 193
    08-25-2014, 03:28 PM Go to last post
  45. Random Sample Assumption Violation and Chi-Square/Reg: Ordinal and Nominal Data

    Hello Everyone, I'm a grad student in biostatistics and am currently working at my first job with real world data. I'm analyzing survey data...

    Started by doughnut1‎, 08-20-2014 01:31 PM
    assumptions, chi square?, ordinal and categorical, violation
    • Replies: 2
    • Views: 307
    08-20-2014, 05:37 PM Go to last post
  46. Steps for evaluate factorial invariance in AMOS

    Steps to evaluate factorial invariance Hi! I have to compare a model in samples of two countries, I have to run a factorial invariance analysis...

    Started by dmon‎, 08-20-2014 04:52 PM
    amos, construct validity, factorial invariance
    • Replies: 0
    • Views: 259
    08-20-2014, 04:52 PM Go to last post
  47. Categorical Moderator Regression

    Hi, I am trying to do a moderation analysis with: IV: Depressive symptoms Moderator: Condition (threat vs no threat) DV: Closeness with...

    Started by ccy‎, 08-17-2014 06:57 PM
    • Replies: 2
    • Views: 242
    08-18-2014, 08:01 PM Go to last post
  48. Inquiry about the moderated mediation, real hurry

    Hello everyone and thank you for your attention. I am now facing the problem of moderated mediation interpretation. Here is the background: ...

    Started by erikye‎, 08-18-2014 02:05 PM
    • Replies: 0
    • Views: 127
    08-18-2014, 02:05 PM Go to last post
  49. 2X2X2 design.. what statistics should I use?

    Hi, I am doing a research with a 2X2X2 design: Between subjects (Positive Mood VS Negative Mood) Within subjects (Positive Stimuli 1 VS Negative...

    Started by TiffanyReed‎, 08-18-2014 10:24 AM
    ancova, anova, research, statistics
    • Replies: 0
    • Views: 138
    08-18-2014, 10:24 AM Go to last post
  50. Which type of ANOVA to choose: split plot repeated measures or alternative?

    Hi all, I'm new to this forum but not to statistics. There's just this problem I can't get my head around, I hope someone can help me. In my...

    Started by Cis‎, 08-09-2014 05:01 PM
    • Replies: 6
    • Views: 291
    08-18-2014, 10:10 AM Go to last post
  51. Breaking-down main effect to examine demographic differences

    I showed videos of musical performances which where visually different, but the sound was identical. Participants graded both the appearance of the...

    Started by PaulC‎, 08-15-2014 08:21 PM
    interaction effects
    • Replies: 1
    • Views: 153
    08-17-2014, 06:04 PM Go to last post
  52. Estimating and using reliability metric with the same data

    Hi, I'd like to know if it is reasonable to use the same set of data to estimate and use a reliability metric from repeated measures? I am mostly...

    Started by Themistocle‎, 08-15-2014 03:17 PM
    reliability measurement
    • Replies: 0
    • Views: 155
    08-15-2014, 03:17 PM Go to last post
  53. Question about which statistical analysis to use

    I have 3 different groups that are all completing a survey and receiving a total score. I want to know whether being high or low on some other survey...

    Started by lsrms3‎, 08-15-2014 01:30 PM
    • Replies: 0
    • Views: 172
    08-15-2014, 01:30 PM Go to last post
  54. Mediation, Bootstrapping and Sample Size

    I'm new to statistics overall, and even newer to mediation but I'm attempting to analyze data using Process for SPSS. Before anything else, do I need...

    Started by lsrms3‎, 08-12-2014 01:44 PM
    bootstrap, bootstrapping, mediation, mediation analysis, sample size
    • Replies: 2
    • Views: 217
    08-15-2014, 01:22 PM Go to last post
  55. Basic hypothesis question - variables

    Hello, I am new to statistics so please excuse my ignorance. My question relates to a hypothesis which I would like to test. I know that...

    Started by funnyman‎, 08-14-2014 05:39 AM
    hypothesis, variables
    • Replies: 2
    • Views: 154
    08-14-2014, 07:53 AM Go to last post
  56. Data Analysis Design Question

    Hi All, first timer here. I have data and am at a loss for how to analyze it to get at what I'm interested in. I will try and explain what I have and...

    Started by jennigold‎, 08-13-2014 10:22 PM
    • Replies: 0
    • Views: 167
    08-13-2014, 10:22 PM Go to last post
  57. Advice needed on how to analyze categ data

    Hoping someone out there can provide some assistance. Here is my situation. I have two categorical variables (each with four levels....

    Started by tobrien‎, 08-12-2014 04:38 PM
    • Replies: 0
    • Views: 204
    08-12-2014, 04:38 PM Go to last post
  58. Justifying data analysis

    Hi I have carried out a study looking at the effectiveness of speech synthesis tools on the iPad in allowing pupils with dyslexia to access written...

    Started by doodlebug752000‎, 08-11-2014 10:34 AM
    • Replies: 4
    • Views: 196
    08-11-2014, 11:40 AM Go to last post
  59. Unhappy Experiment With Fictitious Data

    After a semester full of open-note/curve graded exams and very few homework assignments, our stats professor decided that our final project would...

    Started by Cassiology‎, 12-08-2013 11:21 AM
    experiment, make money, paid, project, tutor needed
    • Replies: 6
    • Views: 736
    08-10-2014, 09:36 PM Go to last post
  60. Simple slopes - positive B for a negative slope ? :S

    EDIT - I've resolved what was causing the below issue! The issue arose because using 0 to make individual value of thinness a constant when all...

    Started by artemisynn‎, 08-10-2014 09:25 PM
    • Replies: 0
    • Views: 189
    08-10-2014, 09:25 PM Go to last post

+ Post New Thread
Page 1 of 39 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 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