Chapter 1, Problem 1PIT

Summary Introduction

To determine:

The elements used in a controlled experiment.

Introduction:

An experiment is the main base for scientists to check their hypotheses in a controlled condition. A controlled experiment is an investigation done under regulated conditions, i.e., only one aspect or factor is changed at a time, while all others remain constant. The following elements are very important to design an experiment namely sample size, variables, controls, and statistical analysis.