Head Start (program) (English Wikipedia)

Pages, Remy; Lukes, Dylan J.; Bailey, Drew H.; Duncan, Greg J. (December 2020). "Elusive Longer-Run Impacts of Head Start: Replications Within and Across Cohorts". Educational Evaluation and Policy Analysis. 42 (4): 471–492. arXiv:1903.01954. doi:10.3102/0162373720948884. ISSN 0162-3737. S2CID 85530116.
McWayne, C. M., Cheung, K.; Wright, L.; Hahs-Vaughn, D.L.; Thomas, D. P#20306090#rt? (August 2012). "Patterns of School Readiness Among Head Start Children: Meaningful Within-Group Variability During the Transition to Kindergarten" (PDF). Journal of Educational Psychology. 104 (3): 862–878. doi:10.1037/a0028884.{{cite journal}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
Lubeck, Sally; DeVries, Mary; Nicholson, Julie; Post, Jackie (July 1997). "Head Start in Transition". Early Education & Development. 8 (3): 219–244. doi:10.1207/s15566935eed0803_2. ISSN 1040-9289.
Burger, K. (April 3, 2012). "A Social History of Ideas Pertaining to Childcare in France and in the United States". Journal of Social History. 45 (4): 1005–1025. doi:10.1093/jsh/shr144. ISSN 0022-4529.
Burchina, Margaret; Whitaker, Anamarie; Jenkins, Jade; Bailey, Drew; Watts, Tyler; Duncan, Greg; Hart, Emma (2024). "Unsettled science on longer-run effects of early education". Science. 384 (6695): 506–508. Bibcode:2024Sci...384..506B. doi:10.1126/science.adn2141. ISSN 0036-8075. PMID 38696579. Archived from the original on May 2, 2024.
De Haan, Monique; Leuven, Edwin (September 3, 2019). "Head Start and the Distribution of Long-Term Education and Labor Market Outcomes". Journal of Labor Economics. 38 (3): 727–765. doi:10.1086/706090. hdl:10852/74324. ISSN 0734-306X. S2CID 44049841.
Kose, Esra (2021). "Public Investments in Early Childhood Education and Academic Performance: Evidence from Head Start in Texas". Journal of Human Resources: 0419. doi:10.3368/jhr.0419-10147R2. ISSN 0022-166X. S2CID 231906512.
Bailey, Martha J.; Sun, Shuqiao; Timpe, Brenden (2021). "Prep School for Poor Kids: The Long-Run Impacts of Head Start on Human Capital and Economic Self-Sufficiency". American Economic Review. 111 (12): 3963–4001. doi:10.1257/aer.20181801. ISSN 0002-8282. PMC 9005064. PMID 35418710.
Deming, D. (2009). "Early Childhood Intervention and Life-Cycle Skill Development: Evidence from Head Start" (PDF). American Economic Journal: Applied Economics. 1 (3): 111–134. doi:10.1257/app.1.3.111.
Wikle, Jocelyn; Wilson, Riley (2022). "Access to Head Start and Maternal Labor Supply: Experimental and Quasi-experimental Evidence". Journal of Labor Economics. 41 (4): 1081–1127. doi:10.1086/720980. hdl:10419/250541. ISSN 0734-306X. S2CID 232045060.
Lee, K. (2011). "Impacts of the duration of Head Start enrollment on children's academic outcomes: Moderation effects of family risk factors and earlier outcomes". Journal of Community Psychology. 39 (6): 698–716. doi:10.1002/jcop.20462.
Eliana Garces; Duncan Thomas; Janet Currie (September 2002). "Longer-Term Effects of Head Start". The American Economic Review. 92 (4): 999–1012. doi:10.1257/00028280260344560. hdl:10161/1853. S2CID 12458311.
Barnett, W. Steven; Hustedt, Jason T. (January–March 2005). "Head Start's Lasting Benefits". Infants & Young Children. 18 (1): 16–24. doi:10.1097/00001163-200501000-00003. S2CID 7617558.
Currie, Janet; Thomas, Duncan (September 1998). "Does Head Start Make a Difference?". American Economic Review. 85 (3): 341–364. doi:10.3386/w4406. Retrieved May 14, 2021.
Valerie E. Lee; Susanna Loeb (Spring 1995). "Where Do Head Start Attendees End up? One Reason Why Preschool Effects Fade Out". Educational Evaluation and Policy Analysis. 17 (1): 62–82. doi:10.2307/1164270. JSTOR 1164270.
S. Barnett (Winter 1995). "Long Term Effects of Early Childhood Programs on Cognitive and School Outcomes". The Future of Children. 5 (3): 25–50. doi:10.2307/1602366. JSTOR 1602366.
Hotz, V. Joseph; Wiswall, Matthew (2019). "Child Care and Child Care Policy: Existing Policies, Their Effects, and Reforms". The Annals of the American Academy of Political and Social Science. 686 (1): 310–338. doi:10.1177/0002716219884078. ISSN 0002-7162. S2CID 210683897.
Farquhar, Sarah-Eve (January 1989). "Assessing New Zealand child day care quality using the early childhood environment rating scale (1)". Early Child Development and Care. 47 (1): 93–105. doi:10.1080/0300443890470105. ISSN 0300-4430.

ed.gov (Global: 318^th place; English: 138^th place)

www2.ed.gov

"Part C - Homeless Education". US Department of Education.

hdl.handle.net (Global: 66^th place; English: 34^th place)

De Haan, Monique; Leuven, Edwin (September 3, 2019). "Head Start and the Distribution of Long-Term Education and Labor Market Outcomes". Journal of Labor Economics. 38 (3): 727–765. doi:10.1086/706090. hdl:10852/74324. ISSN 0734-306X. S2CID 44049841.
Wikle, Jocelyn; Wilson, Riley (2022). "Access to Head Start and Maternal Labor Supply: Experimental and Quasi-experimental Evidence". Journal of Labor Economics. 41 (4): 1081–1127. doi:10.1086/720980. hdl:10419/250541. ISSN 0734-306X. S2CID 232045060.
Eliana Garces; Duncan Thomas; Janet Currie (September 2002). "Longer-Term Effects of Head Start". The American Economic Review. 92 (4): 999–1012. doi:10.1257/00028280260344560. hdl:10161/1853. S2CID 12458311.

headstart.gov (Global: low place; English: low place)

"Office of Head Start Leadership | HeadStart.gov". headstart.gov. February 22, 2021. Retrieved February 3, 2025.

hhs.gov (Global: 6,008^th place; English: 3,458^th place)

acf.hhs.gov

The Head Start Child Development and Early Learning Framework, archived from the original on September 11, 2007
Head Start factsheet, U.S. Department of Health and Human Services, archived from the original on January 15, 2010
"Head Start Act Section 648A". Archived from the original on October 12, 2008.
Impact study, U.S. Department of Health and Human Services{{citation}}: CS1 maint: deprecated archival service (link)
First year executive summary (PDF), U.S. Department of Health and Human Services, archived from the original (PDF) on November 4, 2005

eclkc.ohs.acf.hhs.gov

"Head Start Program Performance Standards Part 1301 — Program Governance". U.S. Department of Health & Human Services — Administration for Children & Families. Archived from the original on April 27, 2020. Retrieved May 1, 2020.
"American Indian and Alaska Native". Archived from the original on March 17, 2017. Retrieved March 16, 2017.
"Head Start Categorical Eligibility for Families Eligible for the Supplemental Nutrition Assistance Program". April 20, 2022. Archived from the original on April 21, 2022.
"How to Apply". eclkc.ohs.acf.hhs.gov. Archived from the original on June 21, 2018. Retrieved May 10, 2021.

aspe.hhs.gov

"HHS Poverty Guidelines for 2023 - HealthCare.gov Glossary". aspe.hhs.gov. Retrieved May 30, 2023.
"Beyond the Poverty Line (SSIR)". aspe.hhs.gov. Retrieved May 30, 2023.
"Prior HHS Poverty Guidelines and Federal Register References". ASPE.

hhs.gov

"Biden-Harris Administration Proposes New Rule to Strengthen the Head Start Workforce, Increase Wages & Support Quality Programming". www.hhs.gov. November 15, 2023. Archived from the original on November 28, 2023. Retrieved February 11, 2024.

journalistsresource.org (Global: low place; English: low place)

Weigel, Margaret (August 11, 2011). "Head Start Impact: Department of Health and Human Services Report". Journalist's Resource.org.

jstor.org (Global: 23^rd place; English: 15^th place)

Valerie E. Lee; Susanna Loeb (Spring 1995). "Where Do Head Start Attendees End up? One Reason Why Preschool Effects Fade Out". Educational Evaluation and Policy Analysis. 17 (1): 62–82. doi:10.2307/1164270. JSTOR 1164270.
S. Barnett (Winter 1995). "Long Term Effects of Early Childhood Programs on Cognitive and School Outcomes". The Future of Children. 5 (3): 25–50. doi:10.2307/1602366. JSTOR 1602366.

militaryonesource.mil (Global: low place; English: low place)

"Sure Start for Military Children". Military OneSource. March 12, 2021. Retrieved April 10, 2021.

naehcy.org (Global: low place; English: low place)

NAEHCY

nationalaffairs.com (Global: low place; English: low place)

"The Dubious Promise of Universal Preschool > Publications >". National Affairs. December 20, 2013. Archived from the original on April 8, 2014. Retrieved April 8, 2014.

nb.no (Global: 458^th place; English: 1,759^th place)

urn.nb.no

De Haan, Monique; Leuven, Edwin (September 3, 2019). "Head Start and the Distribution of Long-Term Education and Labor Market Outcomes". Journal of Labor Economics. 38 (3): 727–765. doi:10.1086/706090. hdl:10852/74324. ISSN 0734-306X. S2CID 44049841.

nieer.org (Global: low place; English: low place)

"NIEER Fact Sheet on Head Start Teachers – July 2003". Archived from the original on October 27, 2008.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Burchina, Margaret; Whitaker, Anamarie; Jenkins, Jade; Bailey, Drew; Watts, Tyler; Duncan, Greg; Hart, Emma (2024). "Unsettled science on longer-run effects of early education". Science. 384 (6695): 506–508. Bibcode:2024Sci...384..506B. doi:10.1126/science.adn2141. ISSN 0036-8075. PMID 38696579. Archived from the original on May 2, 2024.
Bailey, Martha J.; Sun, Shuqiao; Timpe, Brenden (2021). "Prep School for Poor Kids: The Long-Run Impacts of Head Start on Human Capital and Economic Self-Sufficiency". American Economic Review. 111 (12): 3963–4001. doi:10.1257/aer.20181801. ISSN 0002-8282. PMC 9005064. PMID 35418710.

ncbi.nlm.nih.gov

Bailey, Martha J.; Sun, Shuqiao; Timpe, Brenden (2021). "Prep School for Poor Kids: The Long-Run Impacts of Head Start on Human Capital and Economic Self-Sufficiency". American Economic Review. 111 (12): 3963–4001. doi:10.1257/aer.20181801. ISSN 0002-8282. PMC 9005064. PMID 35418710.

nonprofitquarterly.org (Global: low place; English: low place)

McCambridge, Ruth (November 5, 2010). "Jule Sugarman, Head Start Founder, Dies at 83".

nytimes.com (Global: 7^th place; English: 7^th place)

Besharov, Douglas J.; Call, Douglas M. (February 7, 2009). "Head Start Falls Further Behind". The New York Times. Retrieved February 8, 2011.

psu.edu (Global: 299^th place; English: 159^th place)

aspace.libraries.psu.edu

"Stan Salett and Bill Rioux collection of Head Start records". University Park, Pa.: Penn State University Libraries, Eberly Family Special Collections Library. Collection 09795. Retrieved July 20, 2026.

researchgate.net (Global: 96^th place; English: 89^th place)

Currie, Janet; Thomas, Duncan (September 1998). "Does Head Start Make a Difference?". American Economic Review. 85 (3): 341–364. doi:10.3386/w4406. Retrieved May 14, 2021.

sagepub.com (Global: 609^th place; English: 451^st place)

journals.sagepub.com

Pages, Remy; Lukes, Dylan J.; Bailey, Drew H.; Duncan, Greg J. (December 2020). "Elusive Longer-Run Impacts of Head Start: Replications Within and Across Cohorts". Educational Evaluation and Policy Analysis. 42 (4): 471–492. arXiv:1903.01954. doi:10.3102/0162373720948884. ISSN 0162-3737. S2CID 85530116.

science.org (Global: 1,007^th place; English: 665^th place)

Burchina, Margaret; Whitaker, Anamarie; Jenkins, Jade; Bailey, Drew; Watts, Tyler; Duncan, Greg; Hart, Emma (2024). "Unsettled science on longer-run effects of early education". Science. 384 (6695): 506–508. Bibcode:2024Sci...384..506B. doi:10.1126/science.adn2141. ISSN 0036-8075. PMID 38696579. Archived from the original on May 2, 2024.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Pages, Remy; Lukes, Dylan J.; Bailey, Drew H.; Duncan, Greg J. (December 2020). "Elusive Longer-Run Impacts of Head Start: Replications Within and Across Cohorts". Educational Evaluation and Policy Analysis. 42 (4): 471–492. arXiv:1903.01954. doi:10.3102/0162373720948884. ISSN 0162-3737. S2CID 85530116.
De Haan, Monique; Leuven, Edwin (September 3, 2019). "Head Start and the Distribution of Long-Term Education and Labor Market Outcomes". Journal of Labor Economics. 38 (3): 727–765. doi:10.1086/706090. hdl:10852/74324. ISSN 0734-306X. S2CID 44049841.
Kose, Esra (2021). "Public Investments in Early Childhood Education and Academic Performance: Evidence from Head Start in Texas". Journal of Human Resources: 0419. doi:10.3368/jhr.0419-10147R2. ISSN 0022-166X. S2CID 231906512.
Wikle, Jocelyn; Wilson, Riley (2022). "Access to Head Start and Maternal Labor Supply: Experimental and Quasi-experimental Evidence". Journal of Labor Economics. 41 (4): 1081–1127. doi:10.1086/720980. hdl:10419/250541. ISSN 0734-306X. S2CID 232045060.
Eliana Garces; Duncan Thomas; Janet Currie (September 2002). "Longer-Term Effects of Head Start". The American Economic Review. 92 (4): 999–1012. doi:10.1257/00028280260344560. hdl:10161/1853. S2CID 12458311.
Barnett, W. Steven; Hustedt, Jason T. (January–March 2005). "Head Start's Lasting Benefits". Infants & Young Children. 18 (1): 16–24. doi:10.1097/00001163-200501000-00003. S2CID 7617558.
Hotz, V. Joseph; Wiswall, Matthew (2019). "Child Care and Child Care Policy: Existing Policies, Their Effects, and Reforms". The Annals of the American Academy of Political and Social Science. 686 (1): 310–338. doi:10.1177/0002716219884078. ISSN 0002-7162. S2CID 210683897.

time.com (Global: 84^th place; English: 63^rd place)

Klein, Joe (July 7, 2011). "Time to Ax Public Programs That Don't Yield Results". Time. Archived from the original on July 9, 2011.

uchicago.edu (Global: 226^th place; English: 199^th place)

journals.uchicago.edu

Wikle, Jocelyn; Wilson, Riley (2022). "Access to Head Start and Maternal Labor Supply: Experimental and Quasi-experimental Evidence". Journal of Labor Economics. 41 (4): 1081–1127. doi:10.1086/720980. hdl:10419/250541. ISSN 0734-306X. S2CID 232045060.

pricetheory.uchicago.edu

Fryer; Levitt (2004), Understanding the blacK-white test score gap in the first two years of school (PDF), University of Chicago

uwpress.org (Global: low place; English: low place)

jhr.uwpress.org

Kose, Esra (2021). "Public Investments in Early Childhood Education and Academic Performance: Evidence from Head Start in Texas". Journal of Human Resources: 0419. doi:10.3368/jhr.0419-10147R2. ISSN 0022-166X. S2CID 231906512.

virginia.edu (Global: 1,203^rd place; English: 734^th place)

presidentialrecordings.rotunda.upress.virginia.edu

Lyndon B. Johnson and the War on Poverty, archived from the original on May 16, 2015, retrieved April 30, 2013

washingtonpost.com (Global: 35^th place; English: 24^th place)

Glod, Maria (November 15, 2007). "Bill to Expand Head Start, Bolster Its Teacher Qualifications Is Approved". The Washington Post. Retrieved June 10, 2013.
Valerie Strauss, "Does Head Start work for kids? The bottom line", The Washington Post, March 5, 2013.

web.archive.org (Global: 1^st place; English: 1^st place)

FDA. Memorandum of Understanding.
Lyndon B. Johnson and the War on Poverty, archived from the original on May 16, 2015, retrieved April 30, 2013
"Biden-Harris Administration Proposes New Rule to Strengthen the Head Start Workforce, Increase Wages & Support Quality Programming". www.hhs.gov. November 15, 2023. Archived from the original on November 28, 2023. Retrieved February 11, 2024.
"Head Start Program Performance Standards Part 1301 — Program Governance". U.S. Department of Health & Human Services — Administration for Children & Families. Archived from the original on April 27, 2020. Retrieved May 1, 2020.
The Head Start Child Development and Early Learning Framework, archived from the original on September 11, 2007
"American Indian and Alaska Native". Archived from the original on March 17, 2017. Retrieved March 16, 2017.
"Head Start Categorical Eligibility for Families Eligible for the Supplemental Nutrition Assistance Program". April 20, 2022. Archived from the original on April 21, 2022.
Head Start factsheet, U.S. Department of Health and Human Services, archived from the original on January 15, 2010
"The Dubious Promise of Universal Preschool > Publications >". National Affairs. December 20, 2013. Archived from the original on April 8, 2014. Retrieved April 8, 2014.
"Head Start Act Section 648A". Archived from the original on October 12, 2008.
"NIEER Fact Sheet on Head Start Teachers – July 2003". Archived from the original on October 27, 2008.
Burchina, Margaret; Whitaker, Anamarie; Jenkins, Jade; Bailey, Drew; Watts, Tyler; Duncan, Greg; Hart, Emma (2024). "Unsettled science on longer-run effects of early education". Science. 384 (6695): 506–508. Bibcode:2024Sci...384..506B. doi:10.1126/science.adn2141. ISSN 0036-8075. PMID 38696579. Archived from the original on May 2, 2024.
First year executive summary (PDF), U.S. Department of Health and Human Services, archived from the original (PDF) on November 4, 2005
Klein, Joe (July 7, 2011). "Time to Ax Public Programs That Don't Yield Results". Time. Archived from the original on July 9, 2011.
"How to Apply". eclkc.ohs.acf.hhs.gov. Archived from the original on June 21, 2018. Retrieved May 10, 2021.

wiley.com (Global: 150^th place; English: 174^th place)

Seitz, V. Abelson, W., Levine, E. & Zigler, E."Effects of place of testing on the Peabody Picture Vocabulary Test scores of disadvantaged Head Start and non-Head Start children", Child Development, 1975

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Pages, Remy; Lukes, Dylan J.; Bailey, Drew H.; Duncan, Greg J. (December 2020). "Elusive Longer-Run Impacts of Head Start: Replications Within and Across Cohorts". Educational Evaluation and Policy Analysis. 42 (4): 471–492. arXiv:1903.01954. doi:10.3102/0162373720948884. ISSN 0162-3737. S2CID 85530116.
Lubeck, Sally; DeVries, Mary; Nicholson, Julie; Post, Jackie (July 1997). "Head Start in Transition". Early Education & Development. 8 (3): 219–244. doi:10.1207/s15566935eed0803_2. ISSN 1040-9289.
Burger, K. (April 3, 2012). "A Social History of Ideas Pertaining to Childcare in France and in the United States". Journal of Social History. 45 (4): 1005–1025. doi:10.1093/jsh/shr144. ISSN 0022-4529.
Burchina, Margaret; Whitaker, Anamarie; Jenkins, Jade; Bailey, Drew; Watts, Tyler; Duncan, Greg; Hart, Emma (2024). "Unsettled science on longer-run effects of early education". Science. 384 (6695): 506–508. Bibcode:2024Sci...384..506B. doi:10.1126/science.adn2141. ISSN 0036-8075. PMID 38696579. Archived from the original on May 2, 2024.
De Haan, Monique; Leuven, Edwin (September 3, 2019). "Head Start and the Distribution of Long-Term Education and Labor Market Outcomes". Journal of Labor Economics. 38 (3): 727–765. doi:10.1086/706090. hdl:10852/74324. ISSN 0734-306X. S2CID 44049841.
Kose, Esra (2021). "Public Investments in Early Childhood Education and Academic Performance: Evidence from Head Start in Texas". Journal of Human Resources: 0419. doi:10.3368/jhr.0419-10147R2. ISSN 0022-166X. S2CID 231906512.
Bailey, Martha J.; Sun, Shuqiao; Timpe, Brenden (2021). "Prep School for Poor Kids: The Long-Run Impacts of Head Start on Human Capital and Economic Self-Sufficiency". American Economic Review. 111 (12): 3963–4001. doi:10.1257/aer.20181801. ISSN 0002-8282. PMC 9005064. PMID 35418710.
Wikle, Jocelyn; Wilson, Riley (2022). "Access to Head Start and Maternal Labor Supply: Experimental and Quasi-experimental Evidence". Journal of Labor Economics. 41 (4): 1081–1127. doi:10.1086/720980. hdl:10419/250541. ISSN 0734-306X. S2CID 232045060.
Hotz, V. Joseph; Wiswall, Matthew (2019). "Child Care and Child Care Policy: Existing Policies, Their Effects, and Reforms". The Annals of the American Academy of Political and Social Science. 686 (1): 310–338. doi:10.1177/0002716219884078. ISSN 0002-7162. S2CID 210683897.
Farquhar, Sarah-Eve (January 1989). "Assessing New Zealand child day care quality using the early childhood environment rating scale (1)". Early Child Development and Care. 47 (1): 93–105. doi:10.1080/0300443890470105. ISSN 0300-4430.

Head Start (program) (English Wikipedia)

adsabs.harvard.edu (Global: 14th place; English: 9th place)

ui.adsabs.harvard.edu

apa.org (Global: 1,327th place; English: 1,093rd place)

psycnet.apa.org

apnews.com (Global: 101st place; English: 62nd place)

archive.org (Global: 6th place; English: 6th place)

arxiv.org (Global: 49th place; English: 31st place)

ccr-analytics.com (Global: low place; English: low place)

dash.harvard.edu (Global: 9,286th place; English: 5,687th place)

dodea.edu (Global: low place; English: low place)

doi.org (Global: 2nd place; English: 2nd place)

ed.gov (Global: 318th place; English: 138th place)

www2.ed.gov

hdl.handle.net (Global: 66th place; English: 34th place)

headstart.gov (Global: low place; English: low place)

hhs.gov (Global: 6,008th place; English: 3,458th place)

acf.hhs.gov

eclkc.ohs.acf.hhs.gov

aspe.hhs.gov

hhs.gov

journalistsresource.org (Global: low place; English: low place)

jstor.org (Global: 23rd place; English: 15th place)

militaryonesource.mil (Global: low place; English: low place)

naehcy.org (Global: low place; English: low place)

nationalaffairs.com (Global: low place; English: low place)

nb.no (Global: 458th place; English: 1,759th place)

urn.nb.no

nieer.org (Global: low place; English: low place)

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

nonprofitquarterly.org (Global: low place; English: low place)

nytimes.com (Global: 7th place; English: 7th place)

psu.edu (Global: 299th place; English: 159th place)

aspace.libraries.psu.edu

researchgate.net (Global: 96th place; English: 89th place)

sagepub.com (Global: 609th place; English: 451st place)

journals.sagepub.com

science.org (Global: 1,007th place; English: 665th place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

time.com (Global: 84th place; English: 63rd place)

uchicago.edu (Global: 226th place; English: 199th place)

journals.uchicago.edu

pricetheory.uchicago.edu

uwpress.org (Global: low place; English: low place)

jhr.uwpress.org

virginia.edu (Global: 1,203rd place; English: 734th place)

presidentialrecordings.rotunda.upress.virginia.edu

washingtonpost.com (Global: 35th place; English: 24th place)

web.archive.org (Global: 1st place; English: 1st place)

wiley.com (Global: 150th place; English: 174th place)

worldcat.org (Global: 4th place; English: 4th place)

search.worldcat.org

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

apa.org (Global: 1,327^th place; English: 1,093^rd place)

apnews.com (Global: 101^st place; English: 62^nd place)

archive.org (Global: 6^th place; English: 6^th place)

arxiv.org (Global: 49^th place; English: 31^st place)

dash.harvard.edu (Global: 9,286^th place; English: 5,687^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

ed.gov (Global: 318^th place; English: 138^th place)

hdl.handle.net (Global: 66^th place; English: 34^th place)

hhs.gov (Global: 6,008^th place; English: 3,458^th place)

jstor.org (Global: 23^rd place; English: 15^th place)

nb.no (Global: 458^th place; English: 1,759^th place)

nih.gov (Global: 5^th place; English: 5^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

psu.edu (Global: 299^th place; English: 159^th place)

researchgate.net (Global: 96^th place; English: 89^th place)

sagepub.com (Global: 609^th place; English: 451^st place)

science.org (Global: 1,007^th place; English: 665^th place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

time.com (Global: 84^th place; English: 63^rd place)

uchicago.edu (Global: 226^th place; English: 199^th place)

virginia.edu (Global: 1,203^rd place; English: 734^th place)

washingtonpost.com (Global: 35^th place; English: 24^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wiley.com (Global: 150^th place; English: 174^th place)

worldcat.org (Global: 4^th place; English: 4^th place)