The statistical data or informational data are accomplished with the used of questionnaires and checklist. The gathering of this data can be done in the following manner interviewing people, observing, or inspecting items. The studied characteristic is called variable. A variable is a characteristic that takes two or more values which varies across individuals.
The usual of variables used in psychological research are age, race, gender, intelligence, personality type, attitudes, or political or religion affiliation. Other examples of variables for people are height, weight, marital status, eye color and etc. Other variables measure how loud a voice is, how much you are paid to do a kind of work, how potent a drug you consume, and friendly someone acts toward you.
The usual of variables used in psychological research are age, race, gender, intelligence, personality type, attitudes, or political or religion affiliation. Other examples of variables for people are height, weight, marital status, eye color and etc. Other variables measure how loud a voice is, how much you are paid to do a kind of work, how potent a drug you consume, and friendly someone acts toward you.
Two types of Variable or Data
1. Qualitative variables stand for differences in quantity, character, or kind but not in amount. This means that the variables deal primarily on the non-numerical form of data. Examples are gender, birthplace, geographical location and etc.
2. Quantitative Variables refers to numerical values. It can be in order of ranked. Examples are weight, height, age, grades, achievement test results and etc.
