mixed design

  1. B

    Protocol comparison: repeated measures ANOVA and mixed linear models

    Hello! This is my first experience with repeated measures ANOVA and mixed linear models. Since I did not found an example that uses a design similar to my experiment, I hope I can get some help. I collected 3 soil samples (SAMPLE_ID) in 4 areas (SITE), totaling 12 samples. My objective is to...
  2. A

    mediation in a mixed repeated-measures design

    Hello to everyone :) I write to ask an advice about which type of analysis I should perform in the following situation. I have 2 groups: treatment group placebo group And two sessions of measurement for each group: session 1 (pre-treatment) session 2 (post-treatment) At session 1 and 2 I...
  3. M

    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. K

    How to compare 2 groups where 1 has repeated measures

    Hello, I have three groups: healthy controls, pre-surgery, and post-surgery. The pre and post-surgery are the same patients who participated in the study before and 10 months after their operations. The healthy controls were matched to the patient group based on anthropometrics. My issue is...
  5. T

    Please help! Should i use a Mixed ANOVA?

    I am struggling on which type of ANOVA to use for my work, I will provide as many details below about the study design, at the moment I am thinking mixed ANOVA but im encountering some problems which suggest that I have chosen the wrong type. I have two groups, one with a particular defect...
  6. B

    How to analyze dichotomous DV with between- and within-subjects factors?

    Hello everybody, I am designing a study and need to make sure I'll be able to analyze the data (or else I will modify the design). For the analysis, I would have a dichotomous dependent variable (correct/incorrect) and 3 factors. One of the factors is age group, a between-subjects factor with...
  7. N

    HELP! 4x2 Mixed Design ANOVA Post Hoc Tests

    Hi all, I'm a PhD student and for my most recent study I conducted a 4 (experimental condition) x 2 (emotion type) mixed design ANOVA with repeated measures on the last variable. I followed the steps in Andy Field's textbook and companion website, conducting and interpreting my results...
  8. K

    3 X 2 X 2 mixed design

    Hi all, First time posting. I am having trouble 1) figuring out spss output for and 2) interpreting findings for a study I conducted with a 3 (rm) X 2 X 2 design (note that I did not intend such a complicated design but a reviewer wants me to include participant sex as a variable. I can...
  9. G

    What design does my study have?

    Say for example I wanted to do a study comparing cats (the control group) and dogs, measuring the extent to which they exhibit 4 behavioural variables. My initial graph should display the differences found between the two groups, but then I want to dig further into the results. In my dog...
  10. L

    Violation of Normality Assumption in Mixed Design ANOVA

    I conducted a study in which two groups of teachers (pre-service and veteran) all watched four video clips of instances of aggression between students. The clips differed by type of aggression and gender of the students depicted (physical vs. relational aggression; male vs. female). After...
  11. R

    mixed model on case-matched cohort with repeated measures

    Hello, I am working on a database including multiple parameters of cancer patients. I have been asked to perform a case-matched analysis on a cohort of patients whose clinical parameters were measured at 3 time points. I am trying to account for the case-match and the 3 repeated measures in...
  12. K

    Challenging research design and trouble with data entry and analysis in SPSS

    Dear all, I have been given some data to analyze with SPSS but I am stuck and would like some help. The design is the following: There are 40 participants in total, two types of computer devices (desktop, mobile) and two types of software for drawing sketches (soft1, soft2). Participants...
  13. M

    graphing a 3x2x2 mixed design in SPSS, how?

    Hi, I have a 3-way mixed factorial data set. In this study, an experimenter compared three different therapies for quitting smoking; let's say they are X, Y, Z in two locations (Home and Work). Therapy and location are both between subject variables. Participants were asked to rate their...