Kinds of Variables and Their Uses Flashcards
1
Q
Any factor or property that a researcher measures, controls, and/or manipulates
A
Variable
2
Q
Enumerate the classifications of variables
A
- Numeric Variables
- Categorical Variables
- Experimental Variables
- Non-experimental Variables
- Variables according to the number being studied
3
Q
- variables with values that describe a measurable numerical quantity
- answer the questions “how many” or “how much”
A
Numeric Variables
4
Q
- assume any value between a certain set of real numbers
- value depend on the scale used
- also called internal variables
A
Continuous Variable
5
Q
- can only assume any whole value within the limits of the given variable.
A
Discrete Variables
6
Q
Examples of Discrete Variables
A
example: number of registered cars, number of children in family, population of students
7
Q
example of continuous variables
A
example: time, age, temperature, height and weight
8
Q
- variables with values that describe a quality or characteristic of a data unit like “what type” or “which category”
A
Categorical Variables
9
Q
- can take a value which can be logically ordered or ranked
A
Ordinal Variables
10
Q
Examples of ordinal variables
A
academic grades (A,B,C), clothing size (X,L,M,S)
11
Q
values cannot be organized in a logical sequence.
A
nominal variables
12
Q
ex of nominal variables
A
- eye colors, kinds of religion, various languages, types of learners
13
Q
variables that represent only 2 categories
A
dichotomous variables
14
Q
ex of dichotomous variables
A
- gender (male or female)
- answer (yes or no)
15
Q
variables that have many categories
A
polychotomous variables
