Question

The statement. "Sounds that last from 1 to 3 seconds will be considered a

single chirp," is an example of
1) a controlled experiment
2) an operational definition
3) a manipulated variable
4) a responding variable​

Answer 1

operational definition

Step-by-step explanation:

An operational definition is a statement that describes how to measure a particular variable or define a particular term. For example, in this experiment you would need to determine what sounds will count as a single “chirp.”

Answer 2

an operational definition

Step-by-step explanation: