Nazarin Longitudinal na Yara

Shirin Nazarin Tsawon Yara na Farko (ECLS) yana ba da bayanai game da ci gaban yara a Amurka . [1] Cibiyar Kimiyyar Ilimi ce ke gudanar da shi. Yana ba da bayanai kan matsayin yara a lokacin haihuwa da kuma a wurare daban-daban bayan haka. Shirin ECLS kuma yana ba da bayanai don nazarin alaƙar da ke tsakanin nau'ikan iyali, makaranta, al'umma, da kuma masu canji daban-daban tare da ci gaban yara, koyo a farkon lokaci, da kuma aiki a makaranta.

 Manazarta 
Moore, Kristin; Jennifer Manlove; Kerry Richter; Tamara Halle; Suzanne Le Menestrel; Martha Zaslow; Angela Dungee Greene; Carrie Mariner; Angela Romano; Lisa Bridges (1999). "A Birth Cohort Study: Conceptual and Design Considerations and Rationale". Washington, D.C.: U.S. Department of Education. National Center for Education Statistics. Retrieved 2013-04-26. {{cite journal}}: Cite journal requires |journal= (help)

 Hanyoyin haɗi na waje 

 ECLS