repeated measures

  1. B

    Coding and Visualizing Repeated Measures and Mixed-Effects Models

    I am doing a study analyzing trends in changing bird diversity over the past 40 years. Surveys have been taken at 20 locations each year. The survey locations are the random effect and repeated each year. This is the code and output I used in the lme4 library...
  2. J

    Mixed model Anova ??

    Hi, We are doing a research with 2 different groups (Group A and B). They undergo the SAME intervention (a rehab program) and we let them take a survey before, during and after the intervention. During and after the intervention, we expect group A scores better on the survey than group B...
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    mixed repeated measures ANOVA

    I have a data set with two groups of participants - Group_A (anxious, not depressed) & Group_B (depressed, not anxious), out of which half of the participants in each group completed task in one of the two conditions (Training_1 & Training_2) at three different times (before, after and 1month...
  4. A

    Mixed model for time trend in R package lme4

    Hello! I would very much appreciate if anyone could help with my model in lme4. I have a dataset with 100 persons, specified by ID. Each of them was assessed at three time points, indicated by Time, for a specific measurement, called Score. I want to look at each person's trajectory over...
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    SPSS - repeated measures ANOVA (1 between subjects factor, 3 within subjects facotrs)

    Hi! I'm using a windows 10 system and SPSS 23. I'm struggling with the procedure to analyze my data. My design has 4 factors: 1 is a between subject factor (there are two different groups of people that I tested) and the other 3 factors are within subjects (size - 9 levels, pattern - 4 levels...
  6. C

    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). Firstly, I am having a problem with the ANOVA output. The main efffect of one variable, the output is coming out with no significance, no F-ratio...
  7. N

    Question regarding RM ANOVA

    Dear readers, I have a question regarding my output from the repeated measures ANOVA. For my paper I have hypothesized that Dutch, masculine voices in men were more attractive than foreign, masculine voices in men for a short-term relationship. My results from the three-way RM ANOVA were...
  8. N

    Question regarding RM ANOVA

    Dear readers, I have question about my Repeated measures output. I wanted to check for my hypothesis (whether Dutch, masculinized voices in men were more attractive then foreign, masculinized voices in men for a short-term relationship) a three-way interaction between...
  9. N

    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 to masculinity preference for voices (masculinized voice/feminized voice) and mating strategy (short-term/long-term). My hypotheses is that(a)...
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    Within Subjects Analyses Advice

    Hi all, New user & first time poster. I'm finalizing my dissertation and am searching for similar examples as my project or some way to justify one of our analyses. (I'm also open to better analysis ideas for possible publication later on if anyone has suggestions). I'll try to keep my...
  11. F

    CASESTOVARS Command for repeated measures - Long-to-Wide Format

    Hey everybody, I have a question for a repeated measurement experiment. We investigate the effect of Attachment Style (IV) on Sexual Interest (DV) with 4 mood conditions (IV/Moderator), repeated 4 times for that. The IV is a questionnaire pack prior to the 4x sessions (Moderator & DV). The...
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    Analysing proportional data?

    Hi! I'm a masters psychology student needing a little help with a dataset I'm analysing :shakehead Dataset: My data has a within-subjects factor of time (i.e. first session vs last session) and a between-subjects factor of group (training vs control). One of my repeated measures DVs looks...
  13. Z

    Interpreting Repeated Measures Anova

    Hello, I have what I think is a very elementary question about the results of a repeated measures ANOVA. Say that there are two factors of interest (independent variables, 3 treatments and 3 years) and their interaction incorporated into the model. If there is a significant treatment...
  14. E

    Chi-square test OK for repeated measures?

    Hello, I have conducted a 3 alternative forced choice experiment (3AFC) where participants had to combine one out of three visualizations with a specific sound. There were 4 sets of different visualizations (a set consisted of 3 visualizations) and these sets were presented together with 3...
  15. S

    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 different interventions (one placebo, and two active) --which were administered in a randomized manner, each 3 weeks apart (within-subjects design)...
  16. Z

    Missing data - seeking advice on approach!!

    INTRO:Planning list wise deletion of missing data from large data set (7772). Data is from online survey, participation self-select. Q's could be skipped (none mandatory). Repeated measures resulted from 'select all apply' answer option on several q's - each option became an individual variable...
  17. C

    Repeated Measures model with Covariates

    Hi Everyone, i am struggling with finding a good way to analyze a dataset. The design is this: I have 25(n) subjects, all of them are tested in an experiment under 9 conditions. I estimate an electrophysiological index (idx) in every condition for each subject. Now I want to ask whether the...
  18. S

    Repeated measures with different cohorts

    Dear all, I have data from 3 different art groups (orchestra, dance, musical theatre) collected in 3 different times of measure. Data is questionnaire based. I am interested in if X variable is predicted by Y and Z, and if this relation holds for these three different domains. So I am only...
  19. W

    Regression for multiple scores obtained from multiple subjects

    Hello, I have preference ratings (1-to-7 scale) for k=80 stimuli, obtained from N=30 subjects. I would like to do a multiple regression for these scores, against a small number of weakly-correlated predictors. Some of the predictors are continuous, others are categorical. Also, some of the...
  20. I

    Help with homework

    On a homework assignment, I have a data set with the variables (in SPSS) 1) Age 2) Reactiontime (continuous) 3) drug (Placebo, or drug condition) 4) Amount of drug metabolites in their blood (continuous) 5) Subject number (1-20) 6) A median split dichotomous variable on drug levels (0...