Lesson 4

Question 1

• An entity that take on different values.
• An aspect of a theory that can vary or change as part of the interaction within a theory.
• Anything that can affect or change the results of a study.
• Anything that can VARY
• can be considered a ________; these are needed to understand difference.

Answer 1

Variable

Question 2

• Variables with values that describe a MEASURABLE QUANTITY
• It answers the question “How many” or “how much”
• Considered as Quantitative Data

Answer 2

NUMERIC

Question 3

2 Types of Numeric Variable

Answer 3

• Continuous/Interval Variable
• Discrete Variables

Question 4

Assume any value BETWEEN a certain set of real numbers depending on the scale used.

Answer 4

Continuous/Interval Variable

Question 5

Can only assume any WHOLE value within the limits of the given variables.

Answer 5

Discrete Variables

Question 6

Variable with values that describe a Quality or Characteristic of a data unit

Answer 6

Categorical

Question 7

• It answers the question “What type” or “which category”
• It is considered a qualitative data.

Answer 7

Categorical Variable

Question 8

Can take a value which can be logically ordered or ranking

Example:
Clothing size, academic ranking, salary scale, levels of satisfaction.

Answer 8

Ordinal Variables

Question 9

Values which CANNOT be organized in a logical sequence.

Example:
Learning styles, language spoken, blood types,plate numbers

Answer 9

Nominal Variables

Question 10

Variables that represent only two categories

Answer 10

Dichotomous variables

Question 11

Variables that have many categories

Answer 11

Polychotomous variables

Question 12

What are the 4 Types of Categorical Variable?

O N D P

Answer 12

• Ordinal Variables
• Nominal Variables
• Dichotomous Variables
• Polychotomous Variables

Question 13

Variables that determine the CAUSAL relationships.

Answer 13

Experimental Variable

Question 14

• Presumed to cause changes in another variable
• Usually manipulated in an experiment.

Answer 14

Independent Variables (CAUSAL)

Question 15

• Variables that change because of another variable.
• Usually affected by the manipulation
• Variables that are monitored in an experiment.

Answer 15

Dependent Variables (EFFECT)

Question 16

• Variables that are held CONSTANT
• Help to Identify the Possible Differences in Outcomes as a result of ____________ certain variable.

Answer 16

Control Variables

Question 17

• Variable that delineates how a relationship of interest changes under different conditions or circumstances.
• Either quantitative or qualitative

Answer 17

Moderator Variables

Question 18

• Variables that are ALREADY EXISTING during the conduct of an experiment.
• These variables could influence the results of the study.
• As much as possible, must be controlled because they can offer an alternative result.

Answer 18

Extraneous Variables

Question 19

What are the 5 Types of Experimental Variable?

I D C M E

Answer 19

• Independent Variables (CAUSAL)
• Dependent Variables (EFFECT)
• Control Variables
• Moderator Variables
• Extraneous Variables

Question 20

Variables which CANNOT be manipulated by the researcher.

Answer 20

Non-Experimental Variable

Question 21

Variables that Change/Affect other variables in a Non-Experimental

Answer 21

Predictor Variables

Question 22

Variables that are influenced by the predictor variable in a on-experimental study

Answer 22

Criterion Variables

Question 23

What are the 2 Types of Non-Experimental Variable?

Answer 23

• Predictor Variables
• Criterion Variables

Question 24

What are the 4 Types of Variables?

Answer 24

• Numerical
• Categorical
• Non-experimental
• Experimental