Answer:
Blind.
Explanation:
In a blind experiment, information that can affect the participant's decision after the experiment is not told or we can say blinded until the experiment is over. Good blinding can eliminate experimental biases . A blind can be imposed on any participant.So in the question we conclude that it is blind experimental design.
Answer:
I hate it
Explanation:
Mark it as the brainliest if u love god
Insert Method
it is used to returns an integer that speaks to the area of the substring inside the string.
