1. B

    Ranked data in spss. How to analyse

    I have some demographic variables that I want to compare (Kendalls correlation) against the answers to a question where participants ranked the responses from 1 to 7 I have all the data in spss I have each rank option as a variable, with a number 1-7 I am unsure how to run the the analysis...
  2. W

    Odds ratio became different direction after adding other variables in the logistic regression model

    I am doing a logistic regression to test out the relationship between problematic behaviour and a number of variables e.g. self-centeredness, delinquent peers, childhood adversity and parenting. If I put "self-centeredness" alone into the model, it is But then, if I added other variables...
  3. J

    factor analysis interpretation

    Hi, I am currently working on an aptitude test. The test consists of three parts, one general and two specific (let's call them A and B). The general part consists of four subscales, the specific parts of two each. There are two test versions, always the general part and then one of the two...
  4. T

    Should I include year effects in my logistic regression?

    I made the following logistic regression model for my master's thesis. FAIL= LATE + SIZE + AGE + EQUITY + PROF + SOLV + LIQ + IND. Where I take a look if late filing of financial statements (independent variable) is an indicator of failure of small companies (dependent variable). FAIL is a dummy...
  5. P

    I have a 2x2 crossover design comparing 2 treaments but don't have a clue what statistical analysis to use in SPSS

    I have a 2x2 crossover design comparing 2 treaments with a washout period in between but don't have a clue what statistical analysis to use in SPSS. I am not that good at statistics since it is not my trade. I measured at baseline prior to starting treatments on subjects. When they finished...
  6. A

    SPSS view/adjust computation

    I got a SPSS file from someone else and I am trying to figure out how to see what computations they used for certain variables. For example if I computed a new variable consisting of the mean of two other variables, how can i see or even adjust the formula used to calculate the new variable? (In...
  7. R

    SPSS Syntax: Create Custom Table of selected variables using macro

    I am able to create a list of selected variables that start with "ftj19a", but now I want to create a Custom Table of all these variables. How should I proceed? SPSSINC SELECT VARIABLES MACRONAME="MAC" /PROPERTIES PATTERN = "(ftj19a)" ...
  8. I

    Mixed ANOVA - Can We Standardize After Box-Cox Transformed Values

    Background: In a mixed ANOVA (2 timepoints, 3 interventiongroups, so 2x3 factorial ANOVA), the homogeneity of the residual variance was violated as indicated by significant Levene test, for the post-intervention measurement timepoint (T2) As far as I understand it, this prohibits any further...
  9. G

    Difference between categories and sample

    Hi, I've completed some research and categorised participants into 1 of 5 groups (independent variable), and then extracted a maximum data point for each participant (relating to driving speed) between 2 different scenarios - the data is NOT normally distributed and all participants completed...
  10. B

    Process mediation

    Hello everyone I want to write a mediation model syntax via Process v4.0 in SPSS 27. However, my output keeps saying that I am using outdated syntax. Can someone help me how to solve this?
  11. L

    How to convert my output into a suitable table for ANOVA or Kruskwallis testing on SPSS?

    Hi guys, Let's say I have asked an individual to classify images according to 3 fruits that he sees : apple, banana and kiwi. Then, I want to assess whether there are significant differences between the frequencies of each classified fruit (there are more instances, this is just an example). I...
  12. M

    Where to start..?

    I am currently carrying out research on A&E attendance for my surgical speciality pre and post covid. I have collected data from around 3000 attendances, and have been staring at the data for two months now, unsure of how to progress. The aim is to see whether the lockdown had an affect on a)...
  13. Z

    2*2 repeated measures ANOVA with an unbalanced number of observations

    Hi everyone, sorry for this very basic question. I've trawled through previous pages and cannot quite find a case that corresponds to our situation. 320 individuals rated two types of films. The rating was provided on a 1-11 scale.There are many films of each type. In short the DV is a...
  14. A

    How to compare two school classes with a survey?

    I am doing research at a school. I want to see what effects a certain teaching method has on the students. For this I have one class which is the control group and another class in which I am applying the teaching method. At the end of the experiment I want to take surveys in both classes and...
  15. A

    Is it possible to compute a mean/median score for a Mann Witney test/chi square test?

    There are two groups in my study (experimental N=19 and control N =14), and I want to see if there are any differences between the groups, so I made a survey. The survey has 15 different questions, all 5-point Likert items. However, I want to combine those items into 3 different categories...
  16. M

    Factor analysis - Correlation Matrix: this matrix is not positive definite

    Hi all, For my research, I am trying to do a factor analysis, but I keep getting the error message in the correlation matrix that this matrix is not positive definite. Does anyone know a solution to this problem? Thanks in advance!
  17. S

    Adjusted OR

    How to find adjusted OR as given in Table 6 in spss? The procedure followed to get it like i found binary logistic regression is used to find crude OR using single indep. variable.
  18. R

    SPSS for Customer Satisfaction

    I have data collected with 5 Likert Scale Questionnaire to establish factors influencing customer satisfaction using online banking. The factors included Credibility, Efficiency, Ease of Use, Security, Problem Handling and Product/Service Portfolio. A total of 6 independent variables. In this...
  19. C

    General Mixed Effect Model Differences Between R and SPSS

    Hello! I have a rather simplistic model which I have been using in SPSS that entails a general mixed effect model explaining a binary outcome. The professor offhandedly mentioned that if I should get this research published, I would want to use R instead of SPSS but she does not know how to work...
  20. C

    Service robots: Master Thesis

    Hello everyone, I am in the process of analyzing my survey data for my thesis. But i'm kind of stuck regarding which test I should use in my analysis. The survey is comprised of three parts: questions about general attitude on robots (GEN); a scenario (randomized, each respondent gets one of 8)...