In Correlation, the connection between two or more events of things are checked. In a correlation study, a researcher find out the relationship between naturally occurring variables.
So here a researcher wants to check out the relationship between two naturally occurring variables which is a person's birth order and it's leadership ability so it is an example of a correlation study.
Alfred Adler is the 20th century did this study and found that the person's birth order impacts the person's personality. So the right answer is b.
A.universal values because a certain type of group in the world have different types of values and not everyone has a religion but every one has a cultural.
It will also decreased red blood cell development. why? Red blood cells contain a pigmented protein called hemoglobin. Its the hemoglobin (globulin is the protein part) synthesis that will be decreased