A variable is any characteristic that varies among members of a group, such as gender, eye color, or motivation level. Variables are things that researchers measure, control, or manipulate in studies, and can involve categorization like sex or country. There are different types of variables including independent, dependent, controlled, intervening, and moderator variables.

1. WELCOME

5. VARIABLES
A variable is any
characteristic or quality that
varies among the members of
a particular group.
example : gender, eye, colour
motivation .

6. •Variables are things that we
measure, control , or
manipulate in research.

7. • The measurement may be different
from everyday notions of
measurement such as weight and
temperature .

8. • Measurement can involve merely
categorization .
eg .sex , country ,etc.

9. TYPES OF VARIABLES
 Independent variable
 Dependent variable
 Controlled variable
 Intervening variable
 Moderator variable