unit 2
What is stratified sampling?
The process that allows for a researcher to ensure that the sample represents the population that is being tested
What is central tendency
the way to mark the center of distibution, taken with mean median and mode
What is a structured interview?
an interview with the amount of questions exact, each building upon eachother
What is bimodal
having more than one mode ex:two scores appear equally frequent and more than any other
What is a directionality problem?
the inability to tell which variables came first
What is effect size
The more variety of people being tested, the more it can apply to the general public
What is meta analysis
using two or more ways ex: mean and median to get the exact average scores
What is a normal curve
A bell shaped graph, where the top is the average, and as you go out the averages are one central tendency away from each other