Please read research proposal, I have attached the guidelines and the instructio

Please read research proposal, I have attached the guidelines and the instructions for the paper. Its APA style references and try use books provided. Up to 7000 words. The question is Psychological Factors Affecting Female Adolescent Players′ Development in Soccer, regarding data collection we want to use females in their 18-25 that played football during puberty and we want to know that set back they had during their development especially during puberty as it has lots of physical demands and also psychological factors as well