Read Chapters 9 and 10 and once you have read both chapters then do the following: Select one (1) concept from either Chapter 9 OR Chapter 10 and write a research paper on the concept. The research pa

Read Chapters 9 and 10 and once you have read both chapters then do the following: Select one (1) concept from either Chapter 9 OR Chapter 10 and write a research paper on the concept. The research paper should be a minimum of 5 pages (as described below) and should be in APA Style 7th Edition. Please follow the instructions for APA papers and be sure you use at least 3 (three) sources for the paper (one of the sources can be your textbook) but you must have at least two (2) other sources as well. The paper should be written the following way:

Page 1 -- Cover page 

Pages 2, 3 and 4 -- Explanatory research on your selected concepts

Page 5 -- References page (at least 3 references should be listed)book Discovering the life span 4 edition by Robert S Feldman