1. 10-14-2010
Views:
32,951
Page 10 of 48 First 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 ... Last
Threads 541 to 600 of 2825

# Forum: Psychology Statistics

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

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

• Replies: 0
• Views: 21,121
11-10-2005, 12:21 AM
1. ### 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...

• Replies: 0
• Views: 441
09-02-2014, 02:10 PM
2. ### 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...

• Replies: 3
• Views: 678
09-02-2014, 01:56 AM
3. ### 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!

• Replies: 1
• Views: 609
08-30-2014, 03:12 AM
4. ### 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...

• Replies: 1
• Views: 538
08-29-2014, 08:34 PM
5. ### 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...

• Replies: 0
• Views: 607
08-26-2014, 08:49 AM
6. ### 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. ...

• Replies: 0
• Views: 600
08-25-2014, 08:02 PM
7. ### 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...

• Replies: 2
• Views: 1,278
08-25-2014, 04:28 PM
8. ### 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...

• Replies: 2
• Views: 1,010
08-20-2014, 06:37 PM
9. ### 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...

• Replies: 0
• Views: 811
08-20-2014, 05:52 PM
10. ### 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...

• Replies: 2
• Views: 667
ccy
08-18-2014, 09:01 PM
11. ### 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: ...

• Replies: 0
• Views: 499
08-18-2014, 03:05 PM
12. ### 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...

• Replies: 0
• Views: 827
08-18-2014, 11:24 AM
13. ### 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...

• Replies: 6
• Views: 781
Cis
08-18-2014, 11:10 AM
14. ### 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...

• Replies: 1
• Views: 465
08-17-2014, 07:04 PM
15. ### 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...

• Replies: 0
• Views: 404
08-15-2014, 04:17 PM
16. ### 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...

• Replies: 0
• Views: 474
08-15-2014, 02:30 PM
17. ### 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...

• Replies: 2
• Views: 688
08-15-2014, 02:22 PM
18. ### 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...

• Replies: 2
• Views: 471
08-14-2014, 08:53 AM
19. ### 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...

• Replies: 0
• Views: 479
08-13-2014, 11:22 PM
20. ### 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....

• Replies: 0
• Views: 476
08-12-2014, 05:38 PM
21. ### 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...

• Replies: 4
• Views: 625
08-11-2014, 12:40 PM
22. ### 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...

• Replies: 6
• Views: 1,685
08-10-2014, 10:36 PM
23. ### 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...

• Replies: 0
• Views: 646
08-10-2014, 10:25 PM
24. ### Why is my contrast sig.in a 1-way but no sig. interaction in a 2-way ANOVA

Hi, So I had a 2(analytical task, control task) by 2(rating: confidence, liking) design that I incorrectly put into a One-way ANOVA with planned...

• Replies: 1
• Views: 482
08-09-2014, 11:24 PM
25. ### Please, I need help in statistics interpretation!

Hello, I am a French student in psychology and I am currently using spss to analyze my research project's results. I work on the perception of...

• Replies: 0
• Views: 473
08-09-2014, 02:58 AM
26. ### Affordable individual license stats software?

Hi all, As my education in math and statistics progresses I think statistical consulting might become a good way to make a little money on the...

• Replies: 9
• Views: 1,075
08-07-2014, 10:02 PM
27. ### Dimensionality interpretation

Hi, could somebody help me with interpreting this results of one 30-item (dichotic) test, please? Namely, I was surrprised by the very-very low Beta...

• Replies: 0
• Views: 435
08-07-2014, 08:24 AM

Hi Everyone, I've just recently started a PhD (In January) and, ashamed as I am to admit it, I am struggling a bit with the stats for my first...

• Replies: 3
• Views: 554
08-07-2014, 08:17 AM
29. ### Statistic for Nominal vs. Scale Data

Hi Everyone, I would like to find if there are statistically significant relationships between two types of data (I'm using SPSS): nominal and...

• Replies: 5
• Views: 632
08-06-2014, 01:15 AM
30. ### V.low sample size - what stats?

Hi there, I'm currently doing the analysis for my dissertation and am really struggling. Basically I measured household responsibility (HHR) in...

• Replies: 5
• Views: 680
08-06-2014, 01:06 AM
31. ### Logistic regression

Dear everybody, I need some help with logistic regression. I'm trying to predict likelihood of consuming psychoactive drugs and practicing risk...

• Replies: 15
• Views: 1,727
08-01-2014, 04:45 PM
32. ### Anything wrong w mixing estimated factor scores and raw variables in cluster analysis

Hi folks, I have a number of continuous socio demographic variables that I have condensed using PCA into 8 factors representing composites like...

• Replies: 0
• Views: 462
07-30-2014, 05:26 PM
33. ### Response Feature Analysis--Word List Recall

Hi, I think I'm looking at response feature analysis, but I'm not sure how to go about this. FYI, this post refers only to providing descriptive...

• Replies: 1
• Views: 601
07-28-2014, 05:18 PM
34. ### Relationship between dependent variables only

I am looking at the relationship between a number of dependent variables, I want to look at whether a measure of stress correlates to 3 meausres of...

• Replies: 3
• Views: 2,516
07-27-2014, 10:39 PM
35. ### Forming correct grouping variables for analysis

Hi. I have been given a dataset that I need to analyse. The questions were asked by a parent about whether their children have 1. no allergies, 2....

• Replies: 1
• Views: 476
07-27-2014, 07:53 PM
36. ### Statistically correct to compare two Spearman's ρ-Vaules directly?

Hello statistic-community :wave: My sample size is approx. 1.500. I have different variables (A, B, C, D) which are all ordinal scaled. I have...

• Replies: 4
• Views: 6,404
07-27-2014, 06:11 AM
37. ### chi square test

Say that we have 3 trials. On each trial, we are trying to verify whether for each stimulus X, we have a reponse Y. For example I have a rat and...

• Replies: 2
• Views: 583
07-27-2014, 03:01 AM
38. ### Selecting an experimental design

Hi everyone, I am designing an experiment where I manipulate the composition of a 3 person group. For example, the number of freshmen per group,...

• Replies: 0
• Views: 444
07-26-2014, 11:33 PM
39. ### interpreting ModMed results

Can we interpret ModMed results if our indirect effect is significant (Class Intervals don't include zero) but our interactions are not significant...

• Replies: 2
• Views: 515
07-24-2014, 05:05 AM
40. ### Interpreting Mediation results

Hello, I have a few questions regarding interpretation of my results for Mediation using Hayes' Process macro. The key point for finding...

• Replies: 0
• Views: 1,858
07-24-2014, 03:25 AM
41. ### help with choosing the right statistics tests :)

Hello! I'm currently studying my Masters and struggling with working out which statistical tests I'm using. I'm basically looking into a 30-day...

• Replies: 5
• Views: 759
07-22-2014, 11:14 PM
42. ### Missing Data - Scale Validation

Hi everyone, I am working to validate a 10-item scale, 5-point Likert response format in a sample of 673. Trying to find a "happy medium" for all...

• Replies: 6
• Views: 835
07-22-2014, 08:37 PM
43. ### Interpreting multiple mediations: significant total, but n.s. individual mediation

Hi, I have a question about interpreting a result I've just discovered using Hayes's INDIRECT and PROCESS macros for SPSS. So, I have a variable X...

• Replies: 1
• Views: 596
07-21-2014, 06:27 PM
44. ### Multilevel modeling - how to code individually varying time?

I have data with a unique time structure - it measures hand washing compliance throughout a provider's shift during each patient encounter. We know...

• Replies: 1
• Views: 502
07-21-2014, 04:27 PM
45. ### Age and gender effects in neuropsychological tests

Dear friends, I will try to ask it simple: Dependant variable: scores of a cognitive test (scale) independant variables: brain atrophy (yes,no),...

• Replies: 3
• Views: 470
07-21-2014, 03:18 AM
46. ### Longitudinal data analysis with missing data points

Hey, I am doing a study with event-related potentials on grammatical perception in infants. I have a longitudinal design, I measured the infants at...

• Replies: 1
• Views: 464
07-17-2014, 09:16 AM
47. ### ITT and per protocol analyses. How to do both and how to compare baseline measures.

Hello, I have read about but cannot find the answer to my queries. I am doing a study looking at the effects of positive thinking (PT) and...

• Replies: 5
• Views: 1,784
07-16-2014, 11:33 PM
48. ### Chi-square Vs. Fisher's exact test (FET)

I'd really like to have a statistician answer this because I cannot find the answer anywhere. Perhaps you could be kind enough to direct me towards...

• Replies: 20
• Views: 86,301
07-16-2014, 11:01 PM
49. ### Linear regression or multivariate regression?

Hi there, I am pretty much a newbie in statistics and I hope you can help. I have an experimental design where I analyze three time-windows before...

• Replies: 2
• Views: 815
07-15-2014, 01:09 AM
50. ### Lower and upper critical r meaning on a sample size calculation using G*Power

Hello everyone! :) First of all, please excuse my English grammar errors/misspelling; I am a Frenchie who can’t find an answer on French forums......

• Replies: 2
• Views: 1,188
07-10-2014, 10:53 AM
51. ### type one error adjustment - Friedman test Wilcoxon post hoc

Hello, I assessed reading competence with 5 different tasks (U1 - U5) three times (t1, t2, t3). This is how I proceeded so far to test for...

• Replies: 0
• Views: 566
07-06-2014, 06:37 PM
52. ### multiple imputation in SPSS - how to pool the results (Friedman test)

Good morning, I used Multiple imputation to get estimates for missings in a repeated measures design. I want to know about the sensitivity of a...

• Replies: 2
• Views: 2,216
07-02-2014, 06:54 AM
53. ### Nominal covariate in RM ANOVA

Hi there, I'm running a mixed ANOVA with repeated measures; with condition (control, intervention) and time (pre-test, post-test) as...

• Replies: 0
• Views: 504
07-02-2014, 06:07 AM
54. ### Correlations in one group

Hi, 1. purpose of the study / research question / hypotheses - I'm conducting a study about Physical Courage among veterans (that is why people...

• Replies: 3
• Views: 591
07-02-2014, 02:59 AM
55. ### beginning of r

Good morning to all, I need a step by step explaination of how to enter the data in r. I realized only that I have to create a world file where I...

• Replies: 0
• Views: 478
07-01-2014, 03:13 PM
56. ### meta-analysis with different IV and DV?

Hi all, I'm trying to help a colleague of mine with figuring out whether a meta-analysis might make sense. I don't know much about meta-analysis,...

• Replies: 0
• Views: 607
07-01-2014, 11:23 AM
57. ### comparing and accounting for temperature difference between two locations

Hi, I'm a student currently undertaking my dissertation. The aim of my research is to try to gain an understanding of what informs people's...

• Replies: 0
• Views: 353
07-01-2014, 11:00 AM

Page 10 of 48 First 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 ... Last

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.

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