module 5

Question 1

experimental design variables

Answer 1

independent and dependent

Question 2

descriptive research variables

Answer 2

predictor

criterion

Question 3

predictor variable

Answer 3

variable that we use as a base for prediction

Question 4

criterion variable

Answer 4

variable that we measure to determine the amount/degree of relationship

Question 5

non manipulated independent

Answer 5

used in quasi
no random assignment to groups
aka as participant variables
usually associated with a characteristic of a person that is not changeable

Question 6

confounding variable

Answer 6

something that comes through and it is not controlled but it can have an effect

Question 7

nominal scale

Answer 7

merely descriptive separates by category (color, gender, etc) with no numerical value attached

Question 8

ordinal

Answer 8

a value that is attached (there is some relative order of lesser or greater) but there are not equal distances between points
ex: students ranked by their scores

Question 9

interval

Answer 9

measurement system in which there are equal distances between points on the scale but there is no absolute zero
ex: IQ scores, temperature

Question 10

ratio

Answer 10

there are equal distances between points on the scale and there is an absolute zero point
ex: weight

Question 11

equal unit size

Answer 11

a property of measurement in which a difference of 1 is the same amount throughout the entire scale

Question 12

absolute zero

Answer 12

a property of measurement in which assigning a score of zero indicates an absence of the variable being measured

Question 13

central means of tendency

Answer 13

mean median mode

Question 14

measures of variability

Answer 14

range standard deviation variance