Young Lives Peru - Methods for Longitudinal Research
The following videos and documents might be useful for those using the Young Lives (YL) data for research purposes. These materials have been prepared by current and former members of the YL Peru team (at GRADE and IIN) over the years, working closely with the team in Oxford.
Book
What have we learned from the Young Lives study in Peru? (2018) [English (summary) | Spanish (full version)]
-Narrated summary of the main studies using YL data from Peru rounds 1 to 5.
Videos
Mary Penny and Alan Sánchez explain the strategies used for sample retention (1 hour)
-Mary Penny was Co-PI from Rounds 1 to 5.
Interview with Sofia Madrid about fieldwork methods (in Spanish, 15 minutes)
-Sofía Madrid has been our field manager since Round 1.
Alan Sánchez presents the Young Lives sampling design, protocols, and attrition trajectories (in Spanish, 50 minutes)
YL Peru Country reports
-Read these reports to understand the context in which the data was collected in Peru.
Country report - Round 1 (2002) [English]
Country report - Round 2 (2006) [English]
Country report - Round 3 (2009) [English | Spanish]
Headlines - Round 4 (2013) - published in 2015
Headlines - Round 5 (2016) - published in 2017-18
& intergenerational change [English | Spanish]
Headlines - COVID19 Phone survey Round 6 (2020-21)
-Originally, Round 6 was meant to take place in-person in 2020, it was replaced by a phone survey composed of 5 calls.
Technical notes
-The YL study has many technical notes, but here are some of the most important in my view.
Sampling design of the Young Lives study in Peru [English]
-Describes how the 20 YL clusters in Peru were randomly selected.
Collecting data for the younger siblings of the Young Lives study [English]
-Explains why since Round 3 the study started collecting additional data for the next sibling down.
Properties of cognitive achievement tests, round 2 [English]
-Useful for those interested in using the domain-specific achievement tests administered by the YL study over time.
Properties of cognitive achievement tests, round 3 [English]
-Same as above.