In research, the term quantitative research refers to the type of research that involves gathering data that is quantifiable, in other words, that it can be measured in an objective way and expressed in numbers.
In this example, researchers measure children's IQ by using IQ tests, therefore, they are gathering data that can be measure and expressed in numbers <u>(IQ is a number).</u> Therefore, they are using quantitative research.
Explanation: Quantitative research can be defined as a systematic scientific investigation of a quantity or number of properties and their relationship using statistical, mathematical or computational methods.
basically, this experiment conducted on children seeks to find the number/quantity of children in different categories of their observation techniques. this is an example of what quantitative research portrays.
