bias

  1. M

    simultaneous causality correction?

    Hi Based on a data set I have to answer whether the use of tele-diagnosis and tele-evaluation by health professionals in Andalusia has a positive impact in their perception of the technology usefulness. I have the variables: dependent variable: useful -how useful is tele-diagnosis and...
  2. C

    Bootstrap bias

    Good day forum, I'm using a bootstrap approach to get a better understanding of a sampling distribution. I've heard that the bootstrap approach introduces a specific bias into the results. Would anyone be so kind as to explain this to me, and how to compensate for this - or otherwise refer me...
  3. SiBorg

    Bootstrapping - Should/Can I add the bias to the sample median?

    Dear All I'm trying to analyse a questionnaire with responses to questions ordered on a Likert Scale ( 1= Disagree strongly to 5 = Agree strongly). We are comparing question responses between two groups of students, one group (n-25) who saw a video, one group (n=35) who were given a...
  4. M

    personality psych)self-selected sample bias = smaller variability?

    Context: online personality survey (BFI) for age 10~65 (http://www.colby.edu/psychology/labs/personality/publications/Soto_et_al_2011.pdf) Measure taken: the authors tried to control for possible self-selection bias in the sample by "by examining the variability of Big Five domains and facets in...