scale

  1. A

    How to decide on a cut-off score (groups) if the scale doesn't have one?

    For my study, I'm using a scale (rating scale from 1-7) that doesn't have a predetermined cut-off score. However, in order to do the stats, I need to make 2 groups/categories with "high score" and "low score". How do I determine the point at which a participant is considered high vs. low...
  2. A

    Help with data analysis of 7-Point Likert Scale needed

    Dear all, I'm investigating perceptions of effective leadership of Germans and Indians. Part of the questionnaire assessed the attitude towards cultural factors of the respondent, the other part attitudes toward effective leader attributes. I have run a questionnaire and gained N=209...
  3. A

    Expert Help Required - Multiple Regression with Nominal and Scale Variables

    Hi all, I'm having huge issues with the assumptions of multiple regression and determining whether I am running my analysis correctly. First of all, I have eight different predictors and one outcome variable. The idea is to determine whether each variable is a significant predictor of the...
  4. D

    HELP: Using Data on Different Spatial Scales for Econometric Regressions

    *Background: Using a Production Function in form of Autoregressive Regression Model for Regional Perfomance* Hi, This question is more of a theoretical nature. I have dataset that comprises all data on municipality level (n=290). However, due to data restrictions one variable, "self...
  5. M

    after z-transformation problem with mean-function

    Hey everyone, i used the scale function to conduct a z-transformation. i have a question in respect of a problem, calculating a mean of a column. take this data for exampel: aV <- c(rnorm(20,0,1)) condition<-rep(c(1:10),2) index<-rep(c(1:5),4) df<- data.frame(condition,index,aV)...
  6. A

    Use of scale () function and conflicting standardized values for fixed effects

    Hi, I'm currently using the scale() function in a glmer model (see below) and I'm having some inconsistencies between my standardized coefficient estimates from SAS and those in R. In SAS, the STDCOEF option in a generalized linear mixed model reports solutions for fixed effects in terms of the...
  7. M

    Find the lowest ordinal variable score of many variables

    Hello guys, I have an task to do that is a little bit weird and could find a solution. I have a series of liker-scale ordinal variables. Do you feel confident you can do the following activities: 1 to 4 from low confidence to high confidence. var1 = playing soccer var2= playing...
  8. R

    Calculating scale total score

    I have a variable that is measured using 13-item 4-point Liket scale with the exception of one item (yes=1, no=2). How i can calculate the total score for this variable? Many Thanks Rani
  9. S

    3 Groups of Participants & Likert data

    Hi, I'm new to the forum - though I have browsed and found the resources helpful for a long time. Thank you to all who contribute here. I have an issue with some data that I can't see covered elsewhere. I have conducted a study on whether 3 different groups of students found our mobile...
  10. S

    How to use higher-order scale?

    Hello, I am currently working on the development and validation of a new scale. The process went well so far, and I ended up with a higher order solution (4 subscales/factors on the first level, of which 2 load on a common second-order factor). Since the two first-order factors, which share a...
  11. B

    Pearson product Correlation

    If I am looking for a relationship between several different variables (personality characteristic, attachment, eating pathology) does it matter that they have all been measured on different scales? For example - some give a score out of 20, some of the sub scales give scores out of 5 and so...
  12. Y

    T-Transformation & Scales? Transforming 3 different variables into one variable

    Hello, If anyone could help me with this SPSS question I will be forever grateful. :) I have three measures in my survey regarding drinking behavior and after conducting a chronbach alpha test they are essentially the same question asking the same thing (alpha= 0.582). I would like to...
  13. M

    size of unit key in star plots

    Hi Everyone I'm struggling with star plots at the moment. I've got R to plot my segment diagrams, but when I ask it to add the unit key, it plots a tiny tiny star as my unit key compared to the other stars. I realize that this is because of the scaling, but how can I avoid it? At higher...
  14. S

    Combining two scales into one

    Hello! I am trying to merge two scales into one; one measures maternal warmth and the other measures paternal warmth. I have tried to simply add the two variables together in the "compute variable" tab. However, when looking at the frequencies of this variable, I lose almost half of the...
  15. S

    Comparing Likert scales of different lengths

    Hi there talkstats experts. For my thesis I am doing research about listener's attitudes towards 4 different Dutch accents. Next to that I also do research about the lengths of Likert scales. I did 2 surveys with the same questions but one with a likert scale length of 6 and one of 7 answer...
  16. trinker

    What does 'scale(center=F)' do?

    I always thought if you used scale in R with out centering it was basically \frac{x_1}{sd_x} but when I try that (scaling and just dividing each element by sd I get 2 different outcomes, though they are close. The help file for scale isn't that helpful here in making me understand what's going...
  17. J

    Low cronbach's alpha - any remedy?

    Hi there, I want to construct a scale of 'contacting government' based on the question 'Please indicate if in the past year you contacted govt about any of the following services.' --There is a list of 14 different topics. The factor analysis (result attached) shows what to me what are...
  18. S

    Likert Scale Computation

    Hello, i have a likert scale questionnaire where respondents will ranked questions 1(Strongly Agree)-6(Disagree). the research is about comparing two software applications on which users prefer using. Problem is how will i compute for the data and how will i compare them. i have only...
  19. F

    How to combine single Likert items into one scale? (Time-sensitiv)

    Hello, I have a very time-sensitive question: I am replicating a theory that uses 12 Likert items to measure three latent variables (4 items per latent variable). Also in my study I use these 12 likert items that measure three latent variables. Every latent variables is measured by 4...
  20. R

    Producing plots where axis are to same scale

    Hello, I'm trying to produce a plot of topography, and I want distance (x) to be plotted to the same scale as elevation (y), so that n units on the x axis equal the same length as n units on the y axis. I've had a go as below: plot(Point,CElev, asp=1, type="l" )...