1. 10-14-2010
    Views:
    34,940
+ Post New Thread
Page 20 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 29 30 31 32 33 34 35 36 37 38 39 ... LastLast
Threads 1141 to 1200 of 2841

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: 21,875
    11-10-2005, 12:21 AM Go to last post
  1. Calculating descriptive stats for a multiple columns in SPSS 18

    Hi I have transposed survey monkey data into SPSS. I now have data from several questionnaires (approx 12 questions each) and I need to calculate...

    Started by rosenmarsh‎, 03-08-2013 12:42 PM
    • Replies: 1
    • Views: 967
    03-10-2013, 02:55 PM Go to last post
  2. Need help with comparing regression coefficients between different models

    Hello, I am estimating two multinomial logistic regression models, each with the same dependent variable, but with different main independent...

    Started by nanerly‎, 03-10-2013 09:55 AM
    compare coefficients, compare groups
    • Replies: 0
    • Views: 686
    03-10-2013, 09:55 AM Go to last post
  3. Please help with my psychology dissertation

    Hi everyone, I'm a third year psychology student currently doing by dissertation and my knowledge of statistics is appalling at best. I was...

    Started by Adderz‎, 03-06-2013 02:58 PM
    • Replies: 2
    • Views: 1,415
    03-08-2013, 03:47 PM Go to last post
  4. Anova manova or regression

    Greetings Statistician Wizards! Firstly, please forgive my silly questions which are following Secondly, I would GREATLY APPRECIATE if you...

    Started by triunk‎, 03-08-2013 09:57 AM
    • Replies: 2
    • Views: 614
    03-08-2013, 10:16 AM Go to last post
  5. Chi-square value less than 1

    In my results, the Pearson x^2 (2, N=54) = 0.307, p = 0.580. Can anyone tell me if there is usually an appropriate range for the critical values?...

    Started by MJH91‎, 03-06-2013 07:08 PM
    • Replies: 0
    • Views: 720
    03-06-2013, 07:08 PM Go to last post
  6. Need help with SPSS20 - to add points for each question and how to enter multiple ans

    I am working on my undergraduate project and struggling with SPSS 20. If some person could have a quick look at what I have done so far, I would be...

    Started by x_sal‎, 03-06-2013 06:48 PM
    • Replies: 0
    • Views: 424
    03-06-2013, 06:48 PM Go to last post
  7. Paired sample t-test and ANOVA

    Hello, I've tried searching for the answer to this question (because I feel it is rather basic) but I haven't had much luck. Anyway, here are the...

    Started by beemer889‎, 03-05-2013 05:58 PM
    • Replies: 2
    • Views: 1,292
    03-06-2013, 09:45 AM Go to last post
  8. Using skewed data in a regression

    Hi, I was wondering if anyone could help me. I am conducting a mediation analysis with regression and one of the variables in negatively skewed the z...

    Started by Jfield7‎, 03-01-2013 07:06 AM
    mediation analysis, regression, skewed
    • Replies: 6
    • Views: 10,792
    03-04-2013, 03:12 PM Go to last post
  9. Correlation and partial correlation

    Hi all, I am having difficult time interpreting my correlations and partial correlations and was hoping someone could help me- thanks in advance....

    Started by melissa88‎, 03-02-2013 04:18 PM
    • Replies: 0
    • Views: 654
    03-02-2013, 04:18 PM Go to last post
  10. Confirmatory factor analysis - MAJOR CONFUSION!!!

    Good afternoon, I'm conducting a study that is evaluating the staff agreement levels when deciding patient attachment styles. Staff were given a...

    Started by aquabunny101‎, 02-27-2013 10:12 AM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,332
    02-28-2013, 03:52 PM Go to last post
  11. Can a scale item be used in more than one factor?

    I am working on a staff survey dataset and in the past the same survey items where used to calculate scores for more than one factor. Is this valid?...

    Started by hopandsolo‎, 02-27-2013 04:47 PM
    • Replies: 0
    • Views: 456
    02-27-2013, 04:47 PM Go to last post
  12. Use Likert scale mean to calculate a ranking of several answers?

    Hello again, As my last question was very successfully answered, which I am very thankful for, I do it again :) I have 6 Likert type...

    Started by Lehmann‎, 02-26-2013 07:28 PM
    • Replies: 3
    • Views: 2,195
    02-27-2013, 10:59 AM Go to last post
  13. Correlation sizes change depending on which format of data you choose to correlate

    Hi everyone, I have recently encountered a situation that sort of drives me crazy: I have two variables that I have converted into percentages. I...

    Started by myautumn28‎, 02-26-2013 03:26 PM
    • Replies: 2
    • Views: 658
    02-26-2013, 04:52 PM Go to last post
  14. Can I say: the data is "almost normally distributed?"

    hello experts, I have data from a questionnaire, in particular musicians spending time on specific music related tasks per week. I calculated a...

    Started by Lehmann‎, 02-20-2013 03:33 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 1,993
    02-25-2013, 06:06 PM Go to last post
  15. a priori power analysis to work out participant numbers

    Hi I am writing up my Methods section for Clinpsych doctorate and I have to write something about how many participants are needed for the...

    Started by rosenmarsh‎, 02-20-2013 02:14 PM
    • Replies: 5
    • Views: 5,437
    02-25-2013, 05:48 PM Go to last post
  16. WANTED: statistical basis for subtest weighting

    Hello everyone, I am planning my Master thesis project in Neuropsychology and I am currently facing a statistical/mathematical challenge. ...

    Started by SophieF‎, 02-25-2013 10:00 AM
    diagnosis, sensitivity, testing, weights
    • Replies: 0
    • Views: 439
    02-25-2013, 10:00 AM Go to last post
  17. A desperate call for help

    Hi, I am working on my psychology project and struggling big time with stats. If some lovely person could have a quick look at what I have done...

    Started by melissa88‎, 02-23-2013 08:12 AM
    • Replies: 1
    • Views: 459
    02-23-2013, 11:08 AM Go to last post
  18. Do I need to nomralize samples or not. frequecies differ but Point biserial looks ok

    I am conducting a study of how supervisors would rate an ideal job candidate in a particular industry on the HEXAC-PI. I have N=94 (males=63,...

    Started by statdane‎, 02-22-2013 03:24 PM
    • Replies: 2
    • Views: 495
    02-23-2013, 07:51 AM Go to last post
  19. power analysis repeated measures anova

    Hello, I am trying to do a power analyse to estimate how many participants are necessary for a replication. The analysis is a repeated measures...

    Started by Hfly‎, 02-21-2013 04:17 PM
    • Replies: 2
    • Views: 2,462
    02-21-2013, 05:18 PM Go to last post
  20. Which ANOVA to use

    Difference between two-way ANOVA and repeated measures ANOVA?

    Started by emilywidnall‎, 02-18-2013 12:20 PM
    • Replies: 1
    • Views: 499
    02-20-2013, 09:31 PM Go to last post
  21. Factor Analysis Question

    I have 41 variables measured on a four point likert scale (they are ordinal at least). I have 809 subjects in the test. Since multicolinearity (MC)...

    Started by noetsi‎, 02-20-2013 05:49 PM
    • Replies: 2
    • Views: 597
    02-20-2013, 06:57 PM Go to last post
  22. Testing interaction of two continuous predictors with ANCOVA - Help

    Hi, I’m a PhD student working on my thesis and having a bit of a dilemma on how to test the interaction of two continuous predictors. My design...

    Started by darc‎, 11-12-2009 06:09 AM
    • Replies: 3
    • Views: 3,930
    02-20-2013, 06:41 PM Go to last post
  23. Examining whether a repeated measure is stable high, or non-stable over time

    Dear all, I have conducted an experiment with a patient versus a control group, in which I asked them to do a reaction time tasks with control...

    Started by Esmee2000‎, 02-20-2013 03:38 PM
    crosslaged panel design, longitudinal design, repeated measures, stability, structural equation model
    • Replies: 0
    • Views: 442
    02-20-2013, 03:38 PM Go to last post
  24. Confirmatory factor analysis

    Hi there, I have had some reviewer comments back on a manuscript and I'm not sure how to respond: 1. Purpose of the study = development and...

    Started by njt14‎, 02-20-2013 11:56 AM
    • Replies: 3
    • Views: 544
    02-20-2013, 02:23 PM Go to last post
  25. Correspondence Analysis: What to report

    I'm writing up an output for a correspondence analysis run on SPSS and would very much appreciate some guidance. I am going to report the...

    Started by stats-student‎, 02-17-2013 02:47 PM
    • Replies: 7
    • Views: 2,561
    02-18-2013, 05:35 PM Go to last post
  26. Query regarding multiple comparisons

    When you perform a permutation test on a two-factor within-subject repeated measures ANOVA, how should you relabel the category information? For...

    Started by tv2012‎, 02-18-2013 01:00 PM
    anova, permutation test
    • Replies: 0
    • Views: 479
    02-18-2013, 01:00 PM Go to last post
  27. Query regarding linearity assumption in Binary Logistic Regression

    I have modelled a logistic regression analysis which includes the combination of categorical and continous explanatory variables. My understanding...

    Started by Collinsbex‎, 02-13-2013 11:07 AM
    • Replies: 1
    • Views: 2,077
    02-15-2013, 02:23 PM Go to last post
  28. Urgent stats help! Multiple comparisons?

    Hello, I just have a quick question understanding multiple comparisons and I'd appreciate any help because I'm on the verge of failing :( I'm...

    Started by ellenmichellen‎, 02-11-2013 12:46 PM
    • Replies: 7
    • Views: 1,085
    02-12-2013, 08:19 PM Go to last post
  29. Checking the normality of residuals - 2x2 mixed ANOVA (spss)

    Hi there, I've come across advice from various sources that when assessing the assumption of normality before deciding whether it is appropriate...

    Started by freofan‎, 02-11-2013 11:48 PM
    • Replies: 0
    • Views: 2,334
    02-11-2013, 11:48 PM Go to last post
  30. 2x2 mixed ANOVA - significant interaction with non significant follow up tests?

    Hi, I've run a study where high and low trait anxious participants were presented with 2 types of material (lets called 'social' and 'physical')...

    Started by freofan‎, 02-11-2013 11:31 PM
    • Replies: 0
    • Views: 1,400
    02-11-2013, 11:31 PM Go to last post
  31. I cannot find the independent variable from my research question

    Basically i know that dependent variable is the one we measure and independent is the one we manipulate, therefore my research question is ''The...

    Started by Izzabel89‎, 02-09-2013 09:27 PM
    • Replies: 8
    • Views: 1,624
    02-11-2013, 04:58 PM Go to last post
  32. Multiple Imputation for missing data

    Hello, I've been doing some reading of articles on multiple imputation but haven't found my question directly addressed. I am doing correlational...

    Started by PikeyJM‎, 02-11-2013 02:27 PM
    • Replies: 3
    • Views: 1,016
    02-11-2013, 04:37 PM Go to last post
  33. Analysising the relationship between team ID and Brand Recall

    Hi all. I have conducted some research into the impact that team identification has upon brand recall from an international sports event. The...

    Started by Student3291‎, 02-08-2013 06:18 AM
    • Replies: 2
    • Views: 725
    02-11-2013, 07:21 AM Go to last post
  34. Please help me with non-parametric tests

    I'm studying for an upcoming test in my advanced statistics course, and I was wondering if anyone could help me understand how to conduct a post hoc...

    Started by ellenmichellen‎, 02-04-2013 10:51 PM
    • Replies: 7
    • Views: 1,246
    02-10-2013, 10:33 PM Go to last post
  35. Question mediation results - using two methods - problem explaining how mediation can be 100%

    Greetings - I completed mediation statistical calculations using the Preacher (manual) and Jose (online calculator to identify level of significance...

    Started by amirzand‎, 01-27-2013 01:25 AM
    • Replies: 1
    • Views: 1,187
    02-09-2013, 02:51 AM Go to last post
  36. Correlational Question

    I have a study where participants completed a number of DV measurements before and after a psychological intervention. I am attempting to ascertain...

    Started by Laf‎, 02-08-2013 06:17 PM
    • Replies: 1
    • Views: 689
    02-08-2013, 07:10 PM Go to last post
  37. Mixed model, repeated measures ANOVA, SPSS

    Hi everyone :), I have a data set that consists of 16 participants, running an experiment twice each, using different stimulus sets each time. I...

    Started by louiserc‎, 02-08-2013 09:15 AM
    anova, data entry, repeated measures anova, spss
    • Replies: 0
    • Views: 842
    02-08-2013, 09:15 AM Go to last post
  38. Help with which spss test to use

    Can anybody please help me I am going out of my mind trying to figure out which spss test to use!, its for my dissertation, im in my final year of a...

    Started by 137‎, 02-07-2013 12:52 PM
    • Replies: 1
    • Views: 764
    02-08-2013, 04:00 AM Go to last post
  39. Spearman-Brown

    Hi guys, I know this might sound a little basic, but I am having trouble understanding the Spearman-Brown stepped-up reliability correlation. Does it...

    Started by JoshMikes‎, 02-07-2013 12:50 PM
    • Replies: 1
    • Views: 3,537
    02-07-2013, 02:47 PM Go to last post
  40. Test-retest reliability - Interpretation of results

    Hi everyone! :wave: Context. I have a database where coping strategies were assessed with a certain questionnaire and re-assessed some time later....

    Started by Mase‎, 02-06-2013 07:22 AM
    • Replies: 5
    • Views: 3,887
    02-06-2013, 03:50 PM Go to last post
  41. Comparing Percentages In Unequal Groups

    Hello, and thanks for having a look! I'm running an experiment looking at recognition of pictures using a 2x5 design. In the first round...

    Started by kevinteoh‎, 02-04-2013 09:51 AM
    • Replies: 2
    • Views: 1,113
    02-06-2013, 05:10 AM Go to last post
  42. Unhappy The significance test

    Hello. Can someone kindly explain what Significance Test is and can he/she give me a practical step by step example with stats involved ? I tried...

    Started by uwritetherules‎, 02-04-2013 07:37 AM
    • Replies: 3
    • Views: 644
    02-05-2013, 01:35 PM Go to last post
  43. Non-positive definite matrix and second order confirmatory factor analysis

    For my research I'm using SEM to model the relation between a couple of variables. All scales have been used in a 7 point likert format and most have...

    Started by MrJP‎, 02-05-2013 11:18 AM
    factoranalysis, positive_definite, second order model, structural equation model
    • Replies: 0
    • Views: 1,283
    02-05-2013, 11:18 AM Go to last post
  44. Pre- and post-test comparison, is there a minimum sample size (behaviour change treat

    Hi I have to measure the efficacy of a group based treatment for the perpetrators of domestic violence. I started out trying to organise an rct,...

    Started by no eye dear‎, 01-30-2013 01:51 PM
    pre post test analysis, social science
    • Replies: 5
    • Views: 3,978
    01-30-2013, 04:36 PM Go to last post
  45. Query about using clustered regression in STATA

    Hello, I am working with a large dataset of young people. The data comes from a household survey, so young people are nested within households....

    Started by pjtaylor‎, 01-30-2013 05:57 AM
    • Replies: 0
    • Views: 875
    01-30-2013, 05:57 AM Go to last post
  46. Mediation and Causality? What is The deal?

    Hello Friends I am approaching my defense and the stress in building up. I have done a mediation analysis and am reading al ot about "Mediation does...

    Started by sampier85‎, 01-10-2013 02:22 PM
    • Replies: 9
    • Views: 2,303
    01-29-2013, 03:23 PM Go to last post
  47. Copy of 9th edition chapter review problems Basic Statistical Analysis Sprinthall

    I need chapter 12 14 and 16 end of chapter questions, if anyone has this book it would be helpful thanks

    Started by Caseboma‎, 01-29-2013 12:07 PM
    • Replies: 0
    • Views: 1,327
    01-29-2013, 12:07 PM Go to last post
  48. How do you choose the appropriate statistic?

    Hi all: I am having issues analyzing my data. I know, I know, it shows my lack of research design skills. I have a data set of 3,000 responses to...

    Started by applelady‎, 07-27-2007 10:07 AM
    • Replies: 7
    • Views: 3,439
    01-28-2013, 01:34 PM Go to last post
  49. Question Family-wise error rate in T test and ANOVA

    I'm using one psychological questionnaire that consists of 3 sub scales. As part of the data analysis, I want to carry out 2 Independent sample T...

    Started by artibg‎, 01-28-2013 07:56 AM
    anova, familywise error, t test
    • Replies: 0
    • Views: 2,061
    01-28-2013, 07:56 AM Go to last post
  50. Urgent! Please help

    Hi everyone, I have carried out a research and when it comes to the stats part I am not sure which test should I use.:( My research topic, IVs,...

    Started by Koey‎, 01-27-2013 05:38 PM
    • Replies: 2
    • Views: 621
    01-27-2013, 10:18 PM Go to last post
  51. very urgent plz help me: Interaction is significant but posthoc is not significant

    I'm running ANOVA with a 3 groups x 2 (Time: pretest, posttest) and a 2 groups x 3 (Time: pretest, posttest, follow-up) repeated measures design. In...

    Started by shiva‎, 01-18-2013 06:22 PM
    • Replies: 2
    • Views: 1,066
    01-22-2013, 10:55 AM Go to last post
  52. Complex comparison of dependent effect sizes

    Hi everyone, I am new to this forum, and still figuring out how to navigate the site. So, I apologize if this question has already been asked. ...

    Started by AlanT‎, 01-21-2013 02:53 PM
    comparing, dependent, effect sizes, meng
    • Replies: 0
    • Views: 762
    01-21-2013, 02:53 PM Go to last post
  53. Urgent: ANCOVA Analysis for Nested Design

    In an experimental study, 210 students were randomly assigned into 6 sections, out of which 2 sections were treated as experimental group 1 subjected...

    Started by statanx‎, 01-16-2013 03:56 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,131
    01-18-2013, 09:52 AM Go to last post
  54. Post-hoc is not significant but significant F for interaction time by group

    I'm running an ANOVA repeated measure 2 group x3 time: pretest, posttest, follow-up, I have a significant F for interaction time by group, for six...

    Started by shiva‎, 01-17-2013 06:31 PM
    • Replies: 0
    • Views: 756
    01-17-2013, 06:31 PM Go to last post
  55. Smile What is the difference between statistical significance (based on probability) and...

    (Questions wouldn't fit) What is the difference between statistical significance (based on probability) and an effect size? I am fairly new to...

    Started by Kurisu87‎, 01-03-2013 09:09 PM
    effect size, statistical significance
    • Replies: 4
    • Views: 2,951
    01-17-2013, 12:07 PM Go to last post
  56. SEM: combining binary & ordinal variables

    In my research I surveyed participants after they had used a website. I have 28 items which related 8 different concepts. Which means I have 8 latent...

    Started by MrJP‎, 01-17-2013 08:43 AM
    dichotomous, likert scale, ordinal data, structural equation model
    • Replies: 0
    • Views: 1,633
    01-17-2013, 08:43 AM Go to last post
  57. Use of Mcnemar test for dichotomous IV vs. dichotomous DV: how pertinent is it?

    I intend to study the effect of a given psychological intervention (dichotomous independent variable) on the compliance of a medical treatment...

    Started by joaomachadovaz‎, 01-11-2013 01:10 PM
    mcnemar, mcnemar's
    • Replies: 0
    • Views: 903
    01-11-2013, 01:10 PM Go to last post
  58. Odd thing happening in linear regression when I enter my predictors...can you help?

    Hello friends This may sound like a total rookie question but please if you could help me better understand this. I am performing a linear...

    Started by sampier85‎, 01-07-2013 04:03 PM
    depression, linear regression, psychology
    • Replies: 3
    • Views: 879
    01-09-2013, 06:09 PM Go to last post
  59. Smile How to determine if a conclusion is justified?

    Hi All I'm new to statistics and have a little query; I have been given a scenario, by which an experimenter allocated participants to a...

    Started by Kurisu87‎, 01-09-2013 08:23 AM
    • Replies: 3
    • Views: 4,886
    01-09-2013, 05:56 PM Go to last post
  60. How to call ltm function using rpy package in python

    I am trying the following code-- from rpy import * r.library("ltm") dat= #some data frame or matrix r.ltm(r('dat~z1')) error coming is---...

    Started by mohit_ahead‎, 01-08-2013 05:19 AM
    python rpy ltm
    • Replies: 1
    • Views: 766
    01-08-2013, 06:35 AM Go to last post

+ Post New Thread
Page 20 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 29 30 31 32 33 34 35 36 37 38 39 ... 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