This research forms part of the "Health Systems Research Management in the Department of Health (DOH)", a project funded by the DOH and implemented by the Philippine Institute for Development Studies. The study aimed to: determine knowledge, attitudes, and practices related to the Cheaper...

Grounded theory methodology (GTM) has become a popular approach in the social sciences. Based on an iterative research design and reconstructive hermeneutic procedures, it enables scholars to reveal and comprehend patterns of understanding that are reproduced through linguistic and nonlinguistic...

This paper contributes to the literature on qualitative approaches to impact evaluation, particularly in complex contexts. It reports on substantive and methodological findings from four pilot studies of a protocol for qualitative impact evaluation of NGO sponsored rural development projects in...

This paper examines the sample proportions estimates in the presence of univariate missing categorical data. A database about smoking habits (2011 National Addiction Survey of Mexico) was used to create simulated yet realistic datasets at rates 5% and 15% of missingness, each for MCAR, MAR and...

Models evaluating credit applicants rely on payment performance data, which is only available for accepted applicants. This sampling limitation could lead to biased parameter estimates. We use a nationally representative sample of credit bureau records to examine sample selection bias in account...

While self-assessments of welfare have become popular for measuring poverty and estimating welfare effects, the methods can be deceptive given systematic heterogeneity in respondents' scales. Little is known about this problem. This study uses specially-designed surveys in three countries,...

Incorporating qualitative methods into the evaluation of development programs has become increasingly popular in recent years, both for the distinctive insights such approaches can bring in their own right and because of their capacity to complement the strengths -- and where necessary correct...