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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: 30,892
    11-10-2005, 12:21 AM Go to last post
  1. measuring same variables for unrelated topics within subjects

    Hello everyone, Purpose of the study: I want to find out how the perceived competence and warmth of an activist group relates to whether someone...

    Started by eku‎, 08-23-2017 04:11 PM
    • Replies: 2
    • Views: 194
    Yesterday, 10:42 AM Go to last post
  2. Regression with change scores

    I handled it. you can close to topic.

    Started by PsychologyS‎, 09-17-2017 05:31 AM
    • Replies: 0
    • Views: 209
    09-17-2017, 05:31 AM Go to last post
  3. Decision Making Attributes Statistical Significance Tests

    Hi All So I am looking for some advice regarding the best test to use for the scenario below (the data itself is not normally distributed and the...

    Started by Taygarr‎, 09-03-2017 12:26 AM
    • Replies: 1
    • Views: 405
    09-04-2017, 05:58 AM Go to last post
  4. A problem with covariates

    Hello everyone. I have a problem with covariates. I have a database with a mixed design, with a manipulation as a within-subject variable. Each...

    Started by Shachar‎, 08-25-2017 04:23 AM
    • Replies: 0
    • Views: 302
    08-25-2017, 04:23 AM Go to last post
  5. Bradley-Terry paired comparisons ranking with SPSS

    Hey everyone! I apologize if this is a repeated topic; I ran the search function in different browsers, but the function did not work. I would...

    Started by Labestia‎, 08-24-2017 07:16 AM
    • Replies: 0
    • Views: 213
    08-24-2017, 07:16 AM Go to last post
  6. Comparing the academic performance between two classes

    Compare the academic performance between two classes Dear all, I kindly need your help. Here is my background. I am a secondary school teacher....

    Started by lcy‎, 08-16-2017 07:55 PM
    • Replies: 6
    • Views: 394
    08-18-2017, 10:51 PM Go to last post
  7. Analysis, Thesis on Mindfulness

    Hey guys, I am currently struggling with identifying the appropriate statistical method for my bachelor thesis. Participants are measured over...

    Started by Lamb‎, 08-16-2017 06:53 AM
    anova, thesis
    • Replies: 3
    • Views: 264
    08-18-2017, 03:24 AM Go to last post
  8. correlation of age at onset of "sexual abuse" of minors and impairment

    Hello, I have a question about the following things: Some studies define sexual abuse of minors as unwanted sexual contacts before the age of...

    Started by Filip2017‎, 08-16-2017 11:40 AM
    • Replies: 1
    • Views: 155
    08-17-2017, 11:30 PM Go to last post
  9. Analysis part for thesis: Spearman‘s range correlation test?

    Dear Forum members, I kindly need your help in deciding what statistical method to use in the analysis part of my thesis. What measurements do I...

    Started by Leafe Leave‎, 08-15-2017 03:43 PM
    • Replies: 4
    • Views: 271
    08-16-2017, 05:57 AM Go to last post
  10. How to Model Multiple Responses?

    Dear All, I need your assistance in choosing the right analysis method. A sociological research came to see if there are relations between...

    Started by Yankel‎, 08-06-2017 06:31 AM
    • Replies: 0
    • Views: 302
    08-06-2017, 06:31 AM Go to last post
  11. Reliability Analysis for Ability Test (Signal Detection)

    Good day all, I have been tasked with working out the alpha for an ability test which measures only two factors: Median Reaction Time (in ms) and...

    Started by Xaos‎, 08-02-2017 01:42 AM
    ability, reliability analysis, spss
    • Replies: 0
    • Views: 245
    08-02-2017, 01:42 AM Go to last post
  12. Nine variable - Looking for a relationship

    Nope, not a dating advert, just looking for advise on some stats. I have 9 variables and looking to see if a relationship exists. Looking at...

    Started by Armaghgeddon‎, 07-25-2017 11:07 AM
    • Replies: 5
    • Views: 649
    07-25-2017, 02:54 PM Go to last post
  13. Graphing nonlinear results

    Not sure as newbie where to best post this question. A graph in a psychology article has a graph for survey scores. Would like to figure out formula...

    Started by saratogacoach‎, 07-20-2017 12:34 PM
    • Replies: 7
    • Views: 460
    07-22-2017, 05:59 PM Go to last post
  14. Filling in Anova Tables

    Hello, Can anyone provide a step by step example of how to go about filling in the missing areas in this Anova output table for my homework...

    Started by Stephie‎, 07-20-2017 08:15 PM
    • Replies: 0
    • Views: 296
    07-20-2017, 08:15 PM Go to last post
  15. Which test in SPSS should I use?

    I'm trying to work out whether there are relationships between two IVs and one DV (I'm not interested in correlations between IVs, though they may...

    Started by P3rs3ph0n3‎, 07-18-2017 08:51 AM
    • Replies: 0
    • Views: 419
    07-18-2017, 08:51 AM Go to last post
  16. blank spaces on SPSS output

    Hi, I am running a 2x3 repeated measures ANOVA. My IVs are both categorical variables and my DV is a continuous variable - score (out of 200). ...

    Started by charlie242‎, 07-13-2017 05:45 AM
    anova, output error, repeated measures
    • Replies: 0
    • Views: 359
    07-13-2017, 05:45 AM Go to last post
  17. Too many variables - Multivariate analysis of covariance - New to this

    Hi there. This will be my first post on the forums, I'm a Psychology student currently conducting research at an internship. We treat IDD...

    Started by griffin.625‎, 07-11-2017 03:31 PM
    covariance, multidimensional scaling, multivariate analysis, multivariate data sets, variable coding
    • Replies: 2
    • Views: 413
    07-11-2017, 05:19 PM Go to last post
  18. Power analysis for 3-way interaction with 1 between-, 2 within-subjects factors

    Hi all, I am trying to use G*Power 4 to compute the sample size that I will need to detect a 3-way interaction (2 x 2 x 2) in a mixed-effect ANOVA...

    Started by PEEP_lab‎, 07-10-2017 04:29 PM
    interaction terms, mixed anova, power analysis
    • Replies: 0
    • Views: 283
    07-10-2017, 04:29 PM Go to last post
  19. Multiple Scales within a Moderator

    Dear all, I am conducting a moderated multiple regression analysis for my research. One of my moderators comprises 5 different scales (with their...

    Started by milvucic‎, 07-10-2017 01:59 AM
    • Replies: 0
    • Views: 247
    07-10-2017, 01:59 AM Go to last post
  20. Mixed methods ANCOVA

    Hey, I wondered if anyone could help me out. I am trying to conduct an ANCOVA for my masters project and am confused on how to enter the data. So...

    Started by belladee‎, 07-09-2017 05:17 PM
    psychology, psychology statistics, spss
    • Replies: 0
    • Views: 216
    07-09-2017, 05:17 PM Go to last post
  21. Repeated measures with covariate

    Hi, My study design include two indepedent catagorial within-subject variables and six continuous dependent variables. First, I want to make...

    Started by PsychologyS‎, 06-30-2017 03:10 AM
    • Replies: 4
    • Views: 512
    06-30-2017, 12:58 PM Go to last post
  22. Confirmed model doesn't fit with different population. Should I return to EFA or not?

    I am trying to confirm the model for a 16-item measure. It has been confirmed for a homogeneous group, however, I want to determine if the model fits...

    Started by Jmwarren‎, 06-29-2017 02:43 PM
    cfa, efa
    • Replies: 1
    • Views: 287
    06-29-2017, 08:39 PM Go to last post
  23. Question about 3X3 repeated measures ANOVA and simple effects

    First time posting here. I have conducted a transcranial magnetic stimulation study and am analyzing the results as a 3x3 repeated measures ANOVA....

    Started by jcoetzee‎, 06-23-2017 04:43 PM
    interaction, repeated measure anova, simple effects, spss
    • Replies: 1
    • Views: 380
    06-24-2017, 08:59 PM Go to last post
  24. Question Let me know a better analysis method?

    I have two IVs; "collection method" (online and classroom) and "culture" (A and B), one continuous variable ("Age") and 8 DVs (well-being variables...

    Started by joonha35‎, 06-14-2017 08:55 PM
    group differences, t-tests
    • Replies: 13
    • Views: 954
    06-24-2017, 12:55 AM Go to last post
  25. Question regarding Repeated measures 3-way ANOVA for thesis

    Dear Readers, I am new to this forum and I have a question regarding my output/researchdata. I am currently analyzing my hypothesis with respect...

    Started by Naomiii‎, 06-22-2017 09:37 AM
    anova, bonferonni, ibm spss, p-value, repeated measures
    • Replies: 1
    • Views: 270
    06-23-2017, 04:36 PM Go to last post
  26. Need help with performing the correct analysis?

    I have: Two categorical Dependent Variables: Treatment(A, B), and Genotype (WT, HET). Two continuous Independent Variables: Latency (seconds),...

    Started by Jonnycbad‎, 06-14-2017 11:59 AM
    • Replies: 1
    • Views: 438
    06-14-2017, 01:16 PM Go to last post
  27. ANOVA und Cohens d`?

    Hi there! So, i did a psychological study where i tried to manipulate flow. In that study every subject had to play a racing game 6 times and...

    Started by hasenkuchen‎, 06-14-2017 06:12 AM
    • Replies: 1
    • Views: 347
    06-14-2017, 09:45 AM Go to last post
  28. Comparing a test vs gold standard in 4x4 matrix

    Hello everybody, I am trying to figure out how to measure the specificity and recall of a test I'm working in. The test is aimed to classify items...

    Started by AJLRB‎, 06-13-2017 04:24 AM
    • Replies: 0
    • Views: 425
    06-13-2017, 04:24 AM Go to last post
  29. Simple survey analysis questions

    Hello all, I've been asked to assist with the statistical analysis of some survey data, and I'm a bit of a novice with this type of analysis, so...

    Started by TefJLives‎, 06-11-2017 03:38 PM
    nonparametric tests, survey analysis, survey design
    • Replies: 0
    • Views: 1,037
    06-11-2017, 03:38 PM Go to last post
  30. Sampling in Randomized Evaluation

    I am designing an experiment in which the treatment is administered through information priming. I plan to conduct the experiment in a large city...

    Started by has70‎, 06-11-2017 03:19 PM
    randomized control trials, sampling plan
    • Replies: 0
    • Views: 317
    06-11-2017, 03:19 PM Go to last post
  31. Software to perform conjoint analysis

    What software supports conjoint analysis?

    Started by Meenakshi Tiwari‎, 06-11-2017 05:28 AM
    • Replies: 0
    • Views: 395
    06-11-2017, 05:28 AM Go to last post
  32. ANCOVA with dichotomous dependent variable - How?

    Hi everyone! I am a new subscriber with a little talent for statistics and I study developmental psychology :) I need to perform and ANCOVA on a...

    Started by PsychSilvia‎, 06-08-2017 08:29 AM
    • Replies: 3
    • Views: 491
    06-09-2017, 06:28 AM Go to last post
  33. Selecting test - please help

    Hi everybody, I am a master student doing my first quantitative analysis. I want to analyze if there is a relationship between a gender quota...

    Started by rmbrito‎, 06-06-2017 09:26 AM
    • Replies: 1
    • Views: 755
    06-07-2017, 05:07 AM Go to last post
  34. Question Is there any justification to treat a sum of ordinal scores as a ratio score?

    More than once, I noticed that researchers sum ordinal scores of e.g. items of a psychometric test to gain a total score. This score is e.g....

    Started by PDot312‎, 06-04-2017 04:08 PM
    • Replies: 1
    • Views: 559
    06-04-2017, 05:05 PM Go to last post
  35. Smile Multiple regression question

    Hello everyone, I cannotfind the solution to following question and dont really know how to exclude any alternative. We regress an outcome...

    Started by SweetValley‎, 06-01-2017 12:42 PM
    • Replies: 9
    • Views: 770
    06-02-2017, 10:39 AM Go to last post
  36. 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: 2
    • Views: 1,709
    06-02-2017, 10:39 AM Go to last post
  37. Correcting for repeated testing with 4 mediation analyses?

    Hi guys, First time poster here, sorry if I post this at the wrong spot or something like that. For my thesis if have the following 4...

    Started by Yulir1993‎, 04-17-2017 11:00 AM
    bonferroni correction, mediation analysis, multiple testing, regression analysis, spss 23
    • Replies: 1
    • Views: 708
    06-02-2017, 02:32 AM Go to last post
  38. Testing differences between groups over time

    Hello, I am writing a research proposal that looks at a change in scores over time between three groups. Here is the basic set-up: Three...

    Started by bbphd17‎, 04-19-2017 09:56 AM
    • Replies: 1
    • Views: 931
    06-02-2017, 02:19 AM Go to last post
  39. iPod Track Listening & Biological Samples— Within-Subjects Test/Regression?

    I am analyzing data in which participants listened to iPods and provided biological samples on the same days. The iPod Listening Intervention was 1...

    Started by statshelp1312‎, 05-10-2017 11:40 AM
    biological statistics, ipod, regression analysis, within-subjects
    • Replies: 1
    • Views: 615
    06-02-2017, 02:07 AM Go to last post
  40. Which method shall I use?

    Dear All, first of all I would like to thank you for creating and running this forum. At least there is a place where desperado like me can ask...

    Started by Zürcherin‎, 05-08-2017 06:28 AM
    • Replies: 1
    • Views: 793
    06-02-2017, 02:03 AM Go to last post
  41. One way ANCOVA - Data failing assumption of linearity

    Hello I'm working on my Msc in Psychology thesis, and I've chosen to explore if there are group differences between Internal vs External...

    Started by claney‎, 05-11-2017 05:08 AM
    • Replies: 1
    • Views: 867
    06-02-2017, 01:56 AM Go to last post
  42. Paired sample t test vs Wilcoxon signed ranks test

    As part of assessment, we are using a five-question multiple choice pretest and posttest. We have been using the Wilcoxon signed ranks test to...

    Started by Sherrington‎, 05-19-2017 01:33 PM
    • Replies: 1
    • Views: 764
    06-02-2017, 01:52 AM Go to last post
  43. Justifying use of hierarchical multiple linear regression (MHLR)

    Hi, My research question is looking at the predictors of the transfer of training. I have performed a series of separate hierarchical...

    Started by EmmaL‎, 05-31-2017 10:58 AM
    • Replies: 0
    • Views: 449
    05-31-2017, 10:58 AM Go to last post
  44. Is it possible or meaningful to run an ANOVA on only two groups?

    Hi, we have been given a bunch of homework questions and i can't seem to work this one out. "Is it possible or meaningful to run an ANOVA on...

    Started by UnnieE‎, 05-30-2017 05:46 PM
    anova
    • Replies: 3
    • Views: 591
    05-30-2017, 09:52 PM Go to last post
  45. Forced choice test with six options - analysis

    Dear all, I had a profile here before, but I cannot access it anymore since I registered it on an e-mail I don't have anymore (since I changed...

    Started by Pikkuhirmulisko‎, 05-30-2017 04:41 AM
    • Replies: 0
    • Views: 503
    05-30-2017, 04:41 AM Go to last post
  46. Planned a MANOVA, but data may suggest a MANCOVA

    Hi there! Thanks for taking a minute to help me. I'm in the final days of my PhD and running analyses for my final study. But the longer I look at...

    Started by nerdlynoel‎, 05-28-2017 08:30 AM
    advice needed, mancova, manova, phd
    • Replies: 0
    • Views: 598
    05-28-2017, 08:30 AM Go to last post
  47. Help - analyzing monthly data for nursing home residents

    Hi there - I am trying to analyze data from approximately 40 nursing home residents. We collected both Cohen-Mansfield and Cornell Brown monthly,...

    Started by alexangiraffe‎, 05-24-2017 02:22 PM
    • Replies: 6
    • Views: 966
    05-24-2017, 03:41 PM Go to last post
  48. Question Choosing the righ test

    Hello, I'm a psychology student and I'm really, really bad at SPSS so I need some help. If this is not the right place to post this, please...

    Started by DanC‎, 05-14-2017 11:52 AM
    • Replies: 7
    • Views: 1,263
    05-16-2017, 11:05 PM Go to last post
  49. Cool How to show that 2 DVs follow different nonlinear trends along one IV

    Hi! I have collected data on an experiment where I measure two dependent variables: detection of a stimulus, and accuracy making a judgement on that...

    Started by georgekoko‎, 05-11-2017 05:35 PM
    • Replies: 0
    • Views: 646
    05-11-2017, 05:35 PM Go to last post
  50. Correction factor for density calculation of different network sizes

    Hi everyone, For my PhD research I am comparing the density of social networks of different sizes, and density is simply calculated in a linear...

    Started by Pentangeli‎, 05-10-2017 03:54 PM
    • Replies: 0
    • Views: 674
    05-10-2017, 03:54 PM Go to last post
  51. Help with Ordinal Data

    Hi all! I have some data collected for an intervention study where we had participants from two groups (anxious vs non-anxious) undergo one of two...

    Started by LucidMind‎, 05-08-2017 02:30 PM
    • Replies: 0
    • Views: 758
    05-08-2017, 02:30 PM Go to last post
  52. Red face Test Your Quantitatie Research Design Knowledge

    CAN SOMEONE PLEASE HELP WITH THE FOLLOWING QUESTIONS??? Karsh (1983) designed an experiment on the relationship between early handling and...

    Started by letsgetstatistic‎, 04-20-2017 11:52 AM
    confounds, helping, levels of iv and dv., quiz
    • Replies: 5
    • Views: 1,130
    05-08-2017, 08:25 AM Go to last post
  53. All this data and IDK what to do with it.

    I need assistance. I am an undergrad social work major in a stats class. I have access to excel and SPSS. My research question: Does the lack of...

    Started by lunade‎, 05-08-2017 02:02 AM
    psychology, social work, statistics
    • Replies: 0
    • Views: 715
    05-08-2017, 02:02 AM Go to last post
  54. What analysis do I run?

    Hi All, I am conducting a study within the ASD population that is looking at IQ, executive function and adaptive skills for which of them I am...

    Started by jeannette88‎, 04-18-2017 04:04 PM
    • Replies: 11
    • Views: 1,218
    05-08-2017, 01:57 AM Go to last post
  55. urgent spss anova help!!!!

    I have to enter data into spss that is already given to me the study description is bellow. i would like to know three things; 1 is this a one-way...

    Started by stizzylita19‎, 04-24-2017 11:13 AM
    anova, data entry, spss
    • Replies: 4
    • Views: 1,112
    05-08-2017, 01:56 AM Go to last post
  56. Help in analyzing 3 raters' data in 2-way ANOVA

    Greetings, I completed a small pilot study recently that investigated a new therapy for music performance anxiety. My N=7. One hypothesis I...

    Started by dimazzadj‎, 05-07-2017 08:40 PM
    • Replies: 2
    • Views: 712
    05-08-2017, 01:55 AM Go to last post
  57. Case Study on an PROPOSED EXPERIMENT (HELP)

    CAN SOMEONE PLEASE HELP WITH THE FOLLOWING QUESTIONS??? I am not familiar with some of the more inherent design limitations and improvements? ...

    Started by letsgetstatistic‎, 05-06-2017 07:14 AM
    • Replies: 0
    • Views: 887
    05-06-2017, 07:14 AM Go to last post
  58. Question MANOVA or something else?

    Hello everyone! Please excuse my english, it is not my first language, so if something is unclear, let me know :) For my master thesis, I'm...

    Started by Panzerknacker‎, 05-02-2017 06:57 AM
    2 Pages
    1 2
    cps, manova, ttct
    • Replies: 15
    • Views: 1,987
    05-05-2017, 05:55 AM Go to last post
  59. Unequal group sized in repeated measures ANOVA?

    I know that a major assumption of Two-way ANOVAs are that the group sizes are equal. If I am doing a Repeated Measures ANVOA with a 2...

    Started by LucidMind‎, 05-04-2017 01:49 PM
    • Replies: 0
    • Views: 721
    05-04-2017, 01:49 PM Go to last post
  60. Need help interpreting these studies correctly

    How valid are the conclusions being drawn in the following (admittedly sketchy, they are just blogs) sources?:...

    Started by Anarcha‎, 05-03-2017 06:18 PM
    • Replies: 2
    • Views: 750
    05-04-2017, 08:25 AM Go to last post

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