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Do Longer School Days Improve Student Achievement? : Evidence from Colombia
(BID, 2016-03)
This paper analyzes the impact of longer school days on student achievement in Colombia. To identify the impact of longer schools days, this study exploits plausibly exogenous within school variation in the length of the ...
Do Longer School Days Improve Student Achievement? : Evidence from Colombia
(BID, 2016-03)
This paper analyzes the impact of longer school days on student achievement in Colombia. To identify the impact of longer schools days, this study exploits plausibly exogenous within school variation in the length of the ...
Preliminary study of a methodology based on the degree-days concept for predicting the phenological phases of crops
(Fundacion Romulo Raggio, 1997-01-01)
This work develops a methodology (using the degree-days concept and linear regression), to forecast the duration of phenological phases in crops. An experiment was conducted in the greenhouse with three cultivars of cowpea ...
Preliminary study of a methodology based on the degree-days concept for predicting the phenological phases of crops
(Fundacion Romulo Raggio, 1997-01-01)
This work develops a methodology (using the degree-days concept and linear regression), to forecast the duration of phenological phases in crops. An experiment was conducted in the greenhouse with three cultivars of cowpea ...
Inter-annual and inter-decadal variability of dry days in Argentina
(Royal Meteorological Society, 2013-03)
This work proposes to employ the number of dry days (days without precipitation) as a variable of study, and to analyse their spatial and temporal variability in Argentina. Climatological aspects of dry days, such as their ...
The Socialist Origins of International Women's Day
(Jacobin Press, 2017-03)
A history of the origins of International Women's Day, particularly in Germany, from 1910 to 1921.
The importance of respecting the maximum working hours in the present dayLa relevancia de respetar el derecho a la jornada máxima de trabajo en la actualidad
(Pontificia Universidad Católica del Perú, 2019)
Resilience as protagonism: interpersonal relationships, cultural practices, and personal agency among working adolescents in Brazil
(2013-09-20)
A visual methods study was conducted with 16 at-risk youth living in a mid-sized Brazilian city. In this study, we focus on data obtained from four of those youth who were working adolescents, aged 13-15, and identify ...