sample size

  1. G

    Minimum Sample Size for a Survey

    Hi guys, Here's a question I've been struggling with over the past week. My employer would like to perform a survey to gauge public opinion on a number of government agencies. I'm trying to put together the concept and one of the questions I've run across has been "what would be the minimum...
  2. R

    sample size determination using a population range

    Hi. I have a problem about sample size determination. The population of interest is somewhat vague. What I know about the population is only the population range R, i.e, R = max value - min value in the population. I don't know the population distribution, also. Is it possible to...
  3. C

    Regularized Canonical Correlation Analysis

    Hi, I have a question about sample size and regularized canonical correlation analysis. Is a sample size of 15 unreasonable to use in a regularized canonical correlation analysis? If one has lots and lots of potential explanatory variables (multicollinearity expected) and multiple response...
  4. M

    cell size for multifactorial ANOVA

    Hello, I wonder if I could get help with this. I am analyzing data on scores from a psychosocial development assessment on young children, trying to see if there are any differences by their age, sex, location, and length of participation in a program. I’m using multifactorial ANOVA (using...
  5. L

    Reference for max vars in a model

    I used 7 predictor variables in a regression model with a sample size of 103. Someone who reviewed my manuscript said that was too many predictors. I thought the rule of thumb was that you should use no more than 1 predictor variable for every 10 observations. For example, no more than 5...