The evaluation of official development programmes has grown tremendously over the past two decades; the public and taxpayers increasingly demand credible assessments of whether aid “works” to improve the lives of the world’s poorest. Global efforts to hold donors and partners accountable...

This document was developed to serve as guidance for information requirements for the regulation of Invertebrates as Biological Control Agents (IBCAs) within OECD countries. It incorporates information requirements from a number of OECD countries for the regulation of IBCAs, including insects,...

This policy brief derives four key actions that governments and platforms can take to counter COVID-19 disinformation on platforms, namely: 1) supporting a multiplicity of independent fact-checking organisations; 2) ensuring human moderators are in place to complement technological solutions; 3)...

This screening Test Guideline describes the effects of a test chemical on male and female reproductive performance. It has been updated with endocrine disruptor endpoints, in particular measure of anogenital distance and male nipple retention in pups and thyroid examination. The test substance...

This screening Test Guideline describes the effects of a test chemical on male and female reproductive performance. It has been updated with endocrine disruptor endpoints, in particular measure of anogenital distance and male nipple retention in pups and thyroid examination. The test substance...

The test substance is administered in graduated doses to several groups of males and females. Males should be dosed for a minimum of four weeks. Females should be dosed throughout the study, so approximately 54 days. This Test Guideline is designed for use with the rat. It is recommended that...

Grants by private voluntary agencies and non-government organisations (NGOs) are defined as transfers made by private voluntary agencies and NGOs in cash, goods or services for which no payment is required. The private sector comprises private corporations, households and non-profit institutions...

School principals are the link between teachers, students and their parents or guardians, the education system and the wider community. Principals may contribute to student achievement through their impact on how the school is organised, the climate in the school and, especially, teachers and...