[Step-by-Step] A random sample is obtained from a population with a mean of μ =100, and the treatment is administered to the sample. After treatment,


Question: A random sample is obtained from a population with a mean of \(\mu =100\), and the treatment is administered to the sample. After treatment, the sample variance is \({{s}^{2}}=400\) and the sample mean is M = 104

  1. Assuming the sample contained n = 16 individuals measure the size of the treatment effect by computing the estimated d and r 2 .
  2. Assuming the sample contained n = 25 individuals measure the size of the treatment effect by computing the estimated d and r 2 .
  3. Comparing your answers from parts (a) and (b) how does the sample size influence measures of effect size?

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