This is a method of researching studying a topic. examination, inquiry

The sentence "This is a method of researching studying a topic, examination, inquiry", denotes to "Investigation" in scientific research. As the sentence breaks down the method in various stages like research, study, examination and inquiry, all of them are the essential parts of an investigation in scientific methods. 

i disagree that there is little difference between adult female development and adult male development. sociological studies comparing female and male pathways to adulthood, revelead that there are sustancial differences between them. particularly, female and male differ from timing of marriage, when they began to live with children and the likelihood of combining wife/husband and parent roles.