variable calculation

  1. J

    How do you compute a new variable, controlled for age?

    For my thesis, high school students completed a cognitive test. The test became increasingly difficult. The students also completed a questionnaire to measure their well-being. I want to conduct a One-Way ANOVA to investigate if the 20% highest scoring students on the test have a higher level...
  2. A

    Appropriate item aggregation for one construct

    Hi all, I have just finished collecting my data and I have a question concerning how to deal with a construct that I measured. In the questionnaire participants were asked to name at least one and a maximum of three persons which they follow on social media. After that, they had to answer...
  3. N

    Converting dates to fiscal month in SPSS 20

    Hello Stats Community I have a range of data for my file that looks like this: 1/23/2014 1/21/2014 12/29/2013 12/5/2013 (data goes all the way back to 2001) What I need to do is create a new variable called Fiscal Month- for us this means that any dates that fall between the 22nd of...
  4. A

    How to calculate variables accurately

    Hi, I am an MSc student of evolutionary medicine in Durham uni and I have collected my own data regarding infertility and pregnancies. I am having difficulty figure out how to input my variables to correctly respresent the data. I have six variables in total, three of which I am not sure...
  5. B

    using utilities of different attribute levels (from conjoint analysis) in regression?

    In short, I am trying to measure factors influencing an intention-to-purchase a product, with use of a regression. However, some of my constructs were measured with conjoint analysis and resulted in a couple of variables with utility values for all of them. What I mean is that e.g. if I have...
  6. M

    help needed with creating a new variable of 'efficiency' for HCRC map task corpus

    I'm studying the HCRC map task corpus. One person describes a route on a map to another, and they draw that route on. Accuracy is measured by counting how many centimetre squares the drawn route is off from the original (deviation from the route score). I need to develop a measure of...