CHYS 2P52 Lecture Notes - Lecture 2: Level Of Measurement, Face Validity, Likert Scale

• School: Brock University
• Department: Child and Youth Studies
• Course: CHYS 2P52
• Professor: Jan Frijters

Document Summary

Most scores follow a normal distribution (scores highest in the middle) Line going up is y axis, line going across is x axis. Constructs- the whole universe of ways to measure something (measure, validity, reliability) Construct validity- when your measure measures something else you are not interested in. N(ominal)- gives a name to datapoints: gives categorization (group, factor, category, condition, cannot be used for statistics. O(rdinal)- orders datapoints: ex: arrival time as each person enters lecture, cannot be used for statistics. I(nterval)- specifies the distance between increments: ex: seconds it takes each person to enter lecture, identify the interval, interval has to say the same (distance, seconds) R(atio)- like interval, but has a true zero (absence: temperature, kelvin. While i am reading, i think about how much i enjoy it. I put a lot of effort into reading. It is important to me to do well at reading. I think i read well, compared to other people.