If a sample of size s is to be taken from a population of size n, then every n/s member of the population is tested. The starting point is chosen at random.If we want to test a 100-strong sample from...
Calculating the Sample Size
The sample size, in this case, refers to the number of children to be included in the survey.
Step 1: Base Sample-size Calculation
The appropriate sample size for a...
Work sampling involves recording activities and fixed or random intervals, these activities may or may not be rated.Work sampling is good for measuring things occurring over longer periods like the...