Types of variables

Question 1

Categoric variable

Answer 1

Have values that are labels e.g. names of plants

Question 2

Continuous variable

Answer 2

Have values that can be given a magnitude either by counting(number of shrimps( or by measurement(light intensity).

Question 3

Control variable

Answer 3

That may in addition to independent variable affect the outcome of the investigation, so it needs to be kept at constant

Question 4

Dependent variable

Answer 4

Variable of which values are measured for each and every change in the independent variable.

Question 5

Independent variable

Answer 5

Is the variable for which values are changed or selected by the investigator.

Question 6

Reproducible measurement

Answer 6

If the investigation is repeated by another person, or by using different equipment or method and the same results are obtained.

Question 7

Repeatable measurement

Answer 7

If the original experimenter repeats the investigation using the same method and obtains the same data,