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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: 26,287
    11-10-2005, 12:21 AM Go to last post
  1. Assumptions of Bonferroni correction

    Hi everyone, I recently learned that the Bonferroni correction assumes that all of the hypothesis tests we're conducting on the same data are...

    Started by myautumn28‎, 03-10-2017 05:18 PM
    • Replies: 3
    • Views: 640
    03-13-2017, 08:52 AM Go to last post
  2. how to calculate ICC for sample of 10 with two assessor

    i have two assessors rating on picture cue . SME rateds each stories respective to picture in TAT like test with rating on likert 5 point scale from...

    Started by Dr.A.Suresh‎, 03-13-2017 02:22 AM
    icc for sample (n=10)
    • Replies: 1
    • Views: 441
    03-13-2017, 08:49 AM Go to last post
  3. Simple Mediation Model - output using Mplus

    Hi, Can someone help me interpret my output from Mplus 7 please? The model is simple i.v = x1a mediator = M dv = Y1 I have attached the...

    Started by laula‎, 03-10-2017 03:42 PM
    • Replies: 0
    • Views: 372
    03-10-2017, 03:42 PM Go to last post
  4. Statistical analysis

    Hi there I'm a student doing a dissertation about the influence of reward satisfaction on turnover intention. At the moment I'm wondering how to...

    Started by Hypnoz‎, 02-05-2017 02:29 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,461
    03-09-2017, 12:18 PM Go to last post
  5. Cohen's Kappa on Categorical Data in R - Gestural Repertoires

    Hi There, First time user here. I am a Master's student of Primatology, I wasn't sure Psychology Stats was the way to go but it seems to fit...

    Started by KayBaby555‎, 03-08-2017 04:44 AM
    • Replies: 0
    • Views: 528
    03-08-2017, 04:44 AM Go to last post
  6. How should I analyse this data?

    Hello! I've been banging my head against the wall trying to work out the best way of looking at this data. I think I'm missing something simple,...

    Started by Sin_Nie‎, 02-21-2017 11:10 AM
    • Replies: 6
    • Views: 938
    03-07-2017, 05:37 AM Go to last post
  7. Smile Which inferential stats test to use? PLEASE HELP

    Hello all, Someone please help. I'm conducting a study on how group gender ratios influences stereotype threat within career choices and level of...

    Started by ashleymichelle‎, 03-02-2017 09:45 AM
    anova, ordinal, psychology, regression analysis
    • Replies: 11
    • Views: 840
    03-06-2017, 12:40 PM Go to last post
  8. Quick Cronbach's Alpha Question

    Hi all, This may seem like a silly question, but I was wondering if I should remove outliers prior to running reliability analysis or run the...

    Started by Aegislash‎, 02-27-2017 05:32 AM
    cronbach's alpha, outliers, reliability
    • Replies: 14
    • Views: 1,496
    03-03-2017, 02:16 AM Go to last post
  9. pre post design - analysis help

    Hi everyone, I'm analyzing some data for a research project and need some help selecting the appropriate test that will answer my questions of...

    Started by xmorphicx‎, 03-02-2017 09:33 PM
    • Replies: 0
    • Views: 615
    03-02-2017, 09:33 PM Go to last post
  10. Help Please

    A local United Way and a group of community agencies in a large urban area have decided that making sure young children are ready to enter the school...

    Started by Ktina‎, 02-27-2017 08:30 PM
    • Replies: 0
    • Views: 724
    02-27-2017, 08:30 PM Go to last post
  11. Which test to run?

    I have been getting conflicting results from a few people on what test to use, so please let me know what you think. The design: We have 3...

    Started by atamalu‎, 02-14-2017 07:51 PM
    2 Pages
    1 2
    • Replies: 26
    • Views: 2,099
    02-25-2017, 04:40 PM Go to last post
  12. Test for assessing if gender, organisation, management level and age have an impact

    Hi, I am looking to carry out a multiple regression analysis to assess the factors that predict participant's post-training scores on the...

    Started by EmmaL‎, 02-19-2017 06:28 AM
    • Replies: 10
    • Views: 955
    02-23-2017, 11:29 PM Go to last post
  13. reversed, inverted items... MANOVA

    Do I necessarily need to recode my inverted (negatively worded) items before running a MANOVA? I am running the MANOVA on all items of a...

    Started by T.H.‎, 02-23-2017 07:30 AM
    likert scale, manova, negative wording, recode, reversed items
    • Replies: 0
    • Views: 598
    02-23-2017, 07:30 AM Go to last post
  14. mixing within trial, and between trial effects?

    Hi I'm hoping someone can suggest to this stats dunce an elegant way to analyse the following data. We make a recording from a neuron and apply a...

    Started by ar123‎, 02-22-2017 12:52 PM
    • Replies: 0
    • Views: 527
    02-22-2017, 12:52 PM Go to last post
  15. Inferential results interpretation? Please help

    two players number of games attended per player. t(66)= -3.09, p < .05 d = .35 What does this mean?

    Started by Deanabrown36‎, 02-16-2017 12:21 AM
    • Replies: 2
    • Views: 809
    02-16-2017, 08:56 AM Go to last post
  16. How to conduct a mixed-model analysis in SPSS?

    Hi! I am trying to conduct the following analysis on human subjects data using SPSS. It is my understanding that it requires mixed modeling, and I...

    Started by genericity‎, 02-07-2017 01:24 PM
    • Replies: 1
    • Views: 752
    02-14-2017, 01:26 PM Go to last post
  17. Inter rater agreement - Mezzich's Kappa

    Dear all, I want to assess the quality of the categorization handbook and the accordance between multiple raters who have categorized articles...

    Started by AnnaCop‎, 02-09-2017 09:27 AM
    • Replies: 0
    • Views: 704
    02-09-2017, 09:27 AM Go to last post
  18. general correlation question

    hello! if variable A is correlated to var B (.37) and var B is correlated to var C (.32), can we infer the correlation between var A and var C?...

    Started by mdc333‎, 02-07-2017 04:23 PM
    correlation
    • Replies: 7
    • Views: 1,005
    02-07-2017, 11:28 PM Go to last post
  19. Unhappy Statistical analysis, where to start with 2600 participants?

    1. purpose of the study / research question / hypotheses, if possible, provide some background or context for us. I'm looking at the dark triad...

    Started by triad‎, 02-06-2017 04:24 PM
    • Replies: 3
    • Views: 839
    02-06-2017, 09:26 PM Go to last post
  20. Very Quick Mediation question

    I want to know if the direct effect of X on Y is significant, whether it is still possible for X to be mediated through M? Thanks a million

    Started by pr15371‎, 02-05-2017 10:54 AM
    • Replies: 2
    • Views: 909
    02-06-2017, 12:34 PM Go to last post
  21. Sample size calculation for a one way anova (three conditions)??

    Hi there, I am designing a study that compares three conditions (differences in glass shape) on one main DV (drinking rate) (as well as some...

    Started by tirl2‎, 01-26-2017 09:13 AM
    effect size, one way anova, power calculation, sample size calculation, sample size determination
    • Replies: 0
    • Views: 1,265
    01-26-2017, 09:13 AM Go to last post
  22. Raykov's rho

    In relation to Raykov's rho, this might be a naive question but, is appropriate to report it as a consistency index in a multifactorial solution? I...

    Started by ernesthor‎, 01-18-2017 02:27 AM
    • Replies: 1
    • Views: 1,060
    01-25-2017, 05:38 PM Go to last post
  23. Help responding to a journal reviewer on reliability of scale

    Hey all, My team has been working on a paper that looks at the psychometric properties of an 8-item scale. This scale has items that we pulled...

    Started by jdark7‎, 01-21-2017 02:59 PM
    • Replies: 4
    • Views: 1,625
    01-25-2017, 02:18 AM Go to last post
  24. Repeated measures analysis with ordinal data

    Hello, I have data on subjects' ratings of 5 potential side effects (rated as: none, mild, moderate, considerable, strong) following three...

    Started by Siobh‎, 01-14-2017 12:01 PM
    intervention, likert-type scale, repeated measures, within-subjects
    • Replies: 1
    • Views: 1,478
    01-19-2017, 08:35 AM Go to last post
  25. Construction und reliability of scales

    Hello, I'm checking a moderated mediation with two mediators (altruism & egoism). I've constructed two scales (altruismus with 8 items and egoism...

    Started by yologer‎, 08-07-2016 06:06 AM
    • Replies: 1
    • Views: 1,257
    01-18-2017, 02:51 AM Go to last post
  26. Repeated Measures Anova question

    Thanks so much for taking a minute to read this! I am planning a dissertation and IF could get some feedback as to if I am on the right track,...

    Started by sr1226‎, 01-14-2017 11:02 AM
    anova, nominal data analysis, repeated measures anova, within subjects
    • Replies: 1
    • Views: 1,447
    01-16-2017, 12:36 PM Go to last post
  27. Exploratory factor analysis with forced number of factors?

    Dear colleagues, SPSS has an option for exploratory factor analysis where you can choose the number of factors before performing the analysis. In...

    Started by Anthony_1000‎, 01-11-2017 03:02 AM
    • Replies: 3
    • Views: 1,622
    01-13-2017, 12:32 PM Go to last post
  28. Compare differences between exp. and contr. of two groups

    Hi! I already used lots of search engines without finding an answer to my problem. I am testing two methods for manipulating religious belief....

    Started by rothmann1510‎, 01-10-2017 08:20 AM
    anova, interaction, interaction effects, two factor anova, two factors
    • Replies: 5
    • Views: 1,330
    01-12-2017, 03:45 AM Go to last post
  29. [SPSS-ANOVA] Should I use a mixed ANOVA design?

    Good evening I am writing to inquire how I should tackle the data for my dissertation research paper. I have two main problems that I will point...

    Started by AnaC‎, 01-08-2017 02:34 PM
    anova, theory of mind
    • Replies: 1
    • Views: 1,507
    01-09-2017, 03:41 AM Go to last post
  30. Interactions in count data

    Hi all, I've run a multi-tasking behavioural paradigm with volunteers grouped according to 2 characteristics 1) Age (young, mid) 2) Risk (high,...

    Started by Lancaster‎, 01-05-2017 05:35 AM
    • Replies: 0
    • Views: 1,262
    01-05-2017, 05:35 AM Go to last post
  31. Statistical analysis

    Hi all. I am doing an experiment that looking at relationships between mental imagery and mental disorders, mental disorders and self-regulation...

    Started by Armaghgeddon‎, 01-04-2017 11:40 AM
    • Replies: 2
    • Views: 1,181
    01-04-2017, 02:10 PM Go to last post
  32. Exploratory factor analysis on grades

    Hi! I'm doing an analysis on a set of 90 test results in 7 different tasks (90 students were given a set of 7 tasks). The results were not given...

    Started by Danrob‎, 01-02-2017 03:28 AM
    • Replies: 0
    • Views: 1,138
    01-02-2017, 03:28 AM Go to last post
  33. Second language acquisition data analysis

    Hi there, I am writing a research paper about second language acquisition and I would like to confirm my data analysis approach since I am not an...

    Started by bgarcia‎, 01-01-2017 08:33 AM
    • Replies: 0
    • Views: 1,090
    01-01-2017, 08:33 AM Go to last post
  34. Factor analysis on dichotomously scored items

    Hi have a set of 30 dichotomously scored items (scored 0 and 1) and want to do exploratory factor analysis on them. I have heard that performing EFA...

    Started by Anthony_1000‎, 12-29-2016 11:14 AM
    • Replies: 4
    • Views: 1,890
    12-31-2016, 01:58 PM Go to last post
  35. Calculating and Reporting Effect Size for Fisher's Exact Test?

    Hi everyone, I am writing a paper for publication. This is my first time doing a survey study, and also my first time working with categorical...

    Started by nporot‎, 12-28-2016 01:42 PM
    effect size, fisher's exact test, odds ratios, phi
    • Replies: 2
    • Views: 2,108
    12-30-2016, 11:35 AM Go to last post
  36. Does this study design look okay? Thanks :)

    I want to look at: If a school-based CBT intervention has an impact on young people's levels of anxiety and/or depression. I have questionnaires...

    Started by cmms‎, 12-28-2016 06:15 PM
    • Replies: 3
    • Views: 1,702
    12-29-2016, 06:04 PM Go to last post
  37. Nested within-subjects repeated measures stats?

    Hi people, I am having some confusion over how to carry out the stats for my experiment. In the experiment, there is two condition of teaching...

    Started by sgjustino‎, 12-19-2016 09:41 AM
    linear mixed model, nested, repeated measure, within subject
    • Replies: 2
    • Views: 1,923
    12-26-2016, 10:13 AM Go to last post
  38. Sample size

    Dear colleagues, I have a question that has become a bone of contention among my colleagues. Id be very grateful if you commented. What are...

    Started by Anthony_1000‎, 12-26-2016 09:28 AM
    • Replies: 0
    • Views: 1,250
    12-26-2016, 09:28 AM Go to last post
  39. Choosing the right statistical procedure - GLM repeated measure?

    Hello, I would appreciate any help to determine the right statistical method to analyze the next research question. The research population is...

    Started by Netti‎, 12-23-2016 04:11 PM
    glm repeated measure
    • Replies: 2
    • Views: 1,931
    12-24-2016, 09:26 PM Go to last post
  40. Query about study design

    Dear All, I am currently working on designing a research project for my postgraduate psychology qualification and I am not quite sure if I am on the...

    Started by zammitr‎, 12-23-2016 07:32 AM
    • Replies: 0
    • Views: 1,225
    12-23-2016, 07:32 AM Go to last post
  41. Which method shall I use?

    Hello, I am working on my first paper and I feel quite lost with the statistical method. Hope you can help me! I am comparing two samples from...

    Started by AJLRB‎, 12-08-2016 03:43 AM
    contingecy table
    • Replies: 4
    • Views: 1,892
    12-12-2016, 10:04 AM Go to last post
  42. Question Which ANOVA?

    Hi there :) I am struggling to determine which would be the most appropriate ANOVA analysis to use for some work I am doing. I have 3...

    Started by roseberry‎, 12-10-2016 07:39 AM
    anova, contrasts, independent groups, one way anova, spss anova
    • Replies: 1
    • Views: 1,544
    12-10-2016, 06:00 PM Go to last post
  43. Dissertation Trouble Using Correlations

    Hello. I am having a problem with my dissertation and I was wondering if anyone is kind enough to help me out. I am running a within-subjects...

    Started by mulhaq‎, 12-08-2016 05:39 AM
    correlations, linear effects, normal distributions, psychology experiment, reliability
    • Replies: 1
    • Views: 1,618
    12-08-2016, 07:21 AM Go to last post
  44. Correlation & Regression

    I have used regression to explain a dependent variable with a number of independent variables. The finding is that the variables with highest betas...

    Started by Anthony_1000‎, 12-03-2016 03:29 AM
    • Replies: 5
    • Views: 2,061
    12-07-2016, 03:53 AM Go to last post
  45. Nonparametric equivalent to a factorial ANOVA?

    Hi, Does anyone know of a nonparametric equivalent to a factorial ANOVA? I can't run a parametric test because I have violations of normality of...

    Started by coffee123‎, 09-20-2016 11:03 PM
    • Replies: 12
    • Views: 2,652
    12-07-2016, 03:38 AM Go to last post
  46. Smile moderated mediation

    Hi everyone, I am currently analysing a moderated mediation model. The long and short of it is that the analyses showed that the overall moderated...

    Started by timneill‎, 03-26-2014 10:46 PM
    • Replies: 10
    • Views: 6,126
    12-07-2016, 03:29 AM Go to last post
  47. Hypothesis Testing and Pearson's Homework Help PLS

    I have 2 questions I need help with: 1.You own the company that makes the cheap store brand wine for Walmart (Chateau Trailerparc). You think most...

    Started by portcity‎, 12-04-2016 02:42 PM
    • Replies: 0
    • Views: 1,312
    12-04-2016, 02:42 PM Go to last post
  48. Outliers in categorical data?

    Hello! I am working on a pre-analysis plan and have to specify what I am going to do with outliers. I have two categorical variables (5 levels and...

    Started by cynnetje‎, 12-02-2016 05:45 PM
    boxplot, categorical, chi-square, outlier
    • Replies: 2
    • Views: 1,622
    12-02-2016, 06:41 PM Go to last post
  49. How to include hanging control in ANOVA analysis on SPSS

    Hi all, I'm hoping to get some advice on how to run ANOVAs in SPSS for a design that includes a hanging control group. I'm interested in how...

    Started by tantsevat‎, 04-13-2015 12:45 PM
    3 x 3 + 1, anova, hanging control, spss
    • Replies: 2
    • Views: 2,379
    11-30-2016, 10:53 AM Go to last post
  50. 2x2x3 Anova, what will it tell me?

    Hi - I would like to compare the means of a DV (emotional intelligence) between three different variables, those being; 1) Gender (are the...

    Started by TruroJP‎, 11-28-2016 12:00 PM
    2x2 anova, anova, compare 2 means, statistical analysis
    • Replies: 2
    • Views: 1,335
    11-29-2016, 02:58 PM Go to last post
  51. Which analysis to choose? Urgent

    Hi, any help is greatly appreciated. I have data from the same children at ages 4, 7 and 11 for a variable (self-regulation) created from a...

    Started by TruroJP‎, 11-27-2016 05:31 PM
    analysis help, anova, compare 2 means, longitudinal analysis, stata 14
    • Replies: 5
    • Views: 1,823
    11-27-2016, 09:44 PM Go to last post
  52. effect size calculations for longitudinal mixed effects models

    I have been working with a financial database and recently got comments from a reviewer on my manuscript. The comments stemmed from how I calculated...

    Started by the42up‎, 11-25-2016 01:07 PM
    • Replies: 0
    • Views: 1,522
    11-25-2016, 01:07 PM Go to last post
  53. How to analyze repeated measures game data with changing difficulty levels?

    Participants: 19 children participated in the study. Children were grouped in groups G1 (N=8) and group G2 (N=11) based on their behaviors. A...

    Started by skirshna‎, 11-23-2016 07:23 PM
    different outcomes, hierarchical, mixed model, repeated ancova, repeated measures design
    • Replies: 2
    • Views: 1,555
    11-23-2016, 10:33 PM Go to last post
  54. Repeated measures when pre/post group is not independent or dependent

    Hello, I am running a pre-post study using several different instruments (e.g. 1-5 Likert scale instruments which produce a final score). It is...

    Started by lindsayh1‎, 11-22-2016 11:28 AM
    repeated measure, t-test two-sample
    • Replies: 2
    • Views: 1,613
    11-23-2016, 08:48 AM Go to last post
  55. Limits for missing values in the multiple imputation method

    I have an understanding question and I need help. I have a record with many missing values. I now wanted to use the multipile Imputation method to...

    Started by Syntax6‎, 11-17-2016 10:49 AM
    missing values, multiple imputation, psycology
    • Replies: 6
    • Views: 1,737
    11-19-2016, 07:22 AM Go to last post
  56. IV = 2 levels, DV = rank list from 1-8. Not sure how to explore variability between

    Greetings, Im new to this forum and excited about enhancing my stats skills. Im interested in exploring if there is a difference between two...

    Started by Luxor‎, 11-14-2016 09:38 PM
    • Replies: 0
    • Views: 1,342
    11-14-2016, 09:38 PM Go to last post
  57. Mixed-effects modelling of response data (multiple stimuli&subjects) in Matlab

    I have preference ratings (integers from 1-to-7) for k=80 stimuli, obtained from N=30 subjects. I want to use a mixed-effects model to test how well...

    Started by wildetudor‎, 11-08-2016 06:24 PM
    • Replies: 3
    • Views: 1,548
    11-14-2016, 01:05 PM Go to last post
  58. ?? 2 way ANOVA with both Between and a 2 way ANOVA with one between and one within ??

    Hello all, Can someone please explain how this works, as my text book just BRIEFLY touched on it. Lets say I want to run two studies. ...

    Started by allie_moore‎, 11-10-2016 04:57 PM
    • Replies: 2
    • Views: 1,602
    11-12-2016, 02:32 PM Go to last post
  59. Number of responses above a threshold after considering survey error

    I am interested in how many people in my survey of people earn between $50,000 and $54,999. I construct a paper survey which asks for income in...

    Started by jakeharry‎, 11-10-2016 12:30 PM
    income, survey, threshold, uncertainty
    • Replies: 3
    • Views: 1,375
    11-11-2016, 08:47 AM Go to last post
  60. Repeated Measures with 2 categorical variables and one continuous variable

    Hello TalkStats members, Ok I have searched the web and this site and I feel like I am still lost on my problem. I have six items where...

    Started by tqh‎, 11-07-2016 04:28 PM
    • Replies: 0
    • Views: 1,433
    11-07-2016, 04:28 PM Go to last post

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