research methods- set 01

standard scores

are scores with a mean of 0 and SD of 1.

standard normal distribution

is a normal distribution with a mean equal to 0 and SD equal to 1; it is denoted as N(0,1).

percentile

is the point below which a specified percentage of the observations fall.

standardization

is the process of computing standard scores

ordinate

is the vertical Y axis

why would you want to transform a set of raw scores into a set of z-scores?

to make it possible to compare scores from two different distributions, and to make a distribution with a mean of 0 and a SD of 1.