This research should study the example of women in this age range, and the specified number is greater than that with how many people with its time and how the research will make the face trust.
This research should be a larger number of samples. And identify the age of a few people. Along with the time period and how the research. To make this more secure
This research should study the example of a number more. And specify the age that there were many. Along with that period and how to research. Face will trust more.