GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What variable in an experiment is measured?
A
Dependent variable
B
Operational Definition
C
Independent Variable
D
Control Variable
Explanation: 

Detailed explanation-1: -A dependent variable is what you measure and what is affected during the experiment. The dependent variable responds to the independent variable, it is called as dependent because it “depends” on the independent variable. Example: You are interested in how stress affects heart rate in human’s body.

Detailed explanation-2: -Within applied statistics and research, dependent variables can be measured at a categorical level, an ordinal level, or at a continuous level.

Detailed explanation-3: -Variables are measurement using an instrument, device, or computer. The scale of the variable measured drastically affects the type of analytical techniques that can be used on the data, and what conclusions can be drawn from the data. There are four scales of measurement, nominal, ordinal, interval, and ratio.

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