Variables - 5a

Question 1

is a characteristic or attribute of interest in the research study that can take on different values and is not constant.

Answer 1

Variables

Question 2

The. Variables may be

Answer 2

Numerical or non numerical

Question 3

The groups in these variables do not have an order or ranking in them.

Answer 3

Nominal variables. In categories

Question 4

Example for nominal group

Answer 4

Gender
Food cops
Religion: Christian, Moslem, Buddhism, etc.

Question 5

These are grouped variables that are ordered or ranked in increasing or decreasing order

Answer 5

Ordinal variables

Question 6

Numerical variables :

Answer 6

Continues
Discrete

Question 7

Variables can develop more and more accurate
measurements depending on the instrument used, e.g.:
 Height in centimetres (2.5 cm or 2.546 cm or 2.543216 cm)
 Temperature in degrees Celsius (37.2°C or 37.19999°C etc.)

Answer 7

Continuous

Question 8

The specific way in which a variable is measured in a particular study is called

Answer 8

the operational definition

Question 9

The operational definition also helps to control the variable by making the

Answer 9

measurement constant.

Question 10

The variable that is used to describe or measure the problem under study is called the

Answer 10

DEPENDENT variable.

Question 11

The variables that are used to describe or measure the factors that are assumed to cause or at least to influence the problem are called the

Answer 11

INDEPENDENT variables.

Question 12

Whether a variable is dependent or independent is determined by the

Answer 12

statement of the problem and the objectives of the study

Question 13

In almost every study these variables should be considered

Answer 13

Background variables

Question 14

BACKGROUND VARIABLES, such

Answer 14

as age, sex, educational level, socioeconomic status,
marital status and religion,

Question 15

Only ……… important to the study should be
measured.

Answer 15

background variables