IMPROVING THE QUALITY OF RESEARCH SYNTHESIS IN PROGRAM EVALUATION

Because research synthesis enables one to determine either the overall effectiveness of different types of treatments, it is becoming increasingly popular as a tool in program evaluation. Numerous methodological problems arise, however, when research synthesis is applied to studies conducted in field settings. The present paper categorlzes and discusses these problems as being threats to either the (1) internal validity (whether one can draw conclusions about cause and effect), (2) statistical conclusion validity (whether one's inferential statistics are capable of detecting cause-and effect relationships, (3) construct validity (whether one's treatments and outcome measures are valid operationalizations of the independent and dependent variables of interest), or (4) external validity (whether one can generalize results to particular populations, settings, or time periods) of research synthesis (see Cook & Campbell, 1979). Specific recommendations are made for minimizing these threats to validity, In order to improve the quality of research synthesis in program evaluation. Finally, the validit framework is applied to an actual synthesis to identify strengths, weaknesses, and potential means of enhancing research quality.     

Ambiguities of xenophobia in a border town: inner city informal traders and Ekasi shopkeepers in the city of East London,South Africa

ABSTRACT

This paper explores the livelihoods, experiences and identities of immigrant informal traders and shopkeepers in the Buffalo City Metropolitan area, which encompasses the centres of East London, Mdantsane and King Williams Town. We primarily use a socio-spatial perspective to analyse informal activity, and offer a particular perspective on how informality has encouraged a type of ‘informal citizenry’ among traders. We argue that informal trading has a very particular history in the region, and that East London’s notoriety as a ‘border city’ and a regional frontier has created a fractured space, which is best expressed through the experiences of migrants and entrepreneurs. We point out that informality is a driver of economic empowerment and equality among traders, but also of xenophobia and difference.     

MI 6's Requirements Directorate: Integrating Intelligence into the Machinery of British Central Government

The following article examines the relationship between the British Secret Intelli-gence Service (SIS, a.k.a. MI 6) and the machinery of central government, particularly departments of state and other agencies which employ information generated by the SIS. It is argued the main link between the SIS and its consumers in British government is the SIS's requirements 'side', embodied throughout most of the post-war era in the form of a Requirements Directorate. The article argues that the Requirements mechanism operates as a line of communication between the SIS and its consumers separate from the Cabinet Office Joint Intelligence Organisation (JIO), although there is overlap and interdependency between the two architectures. This discussion traces the development of the 'requirements side' from the interwar period up to the post-Cold War era using information from archival sources and a programme of interviews with former UK intelligence officials. It is further argued that the structure and process of the SIS 'requirements side' has developed and changed as a consequence of changes in the structure of demand in the machinery of British government, including adapting to the increasingly central role of the JIO. However, despite that increasingly central role of the JIO, the 'requirements side' has continued to serve as the first point of contact between the SIS and its customers in Whitehall.     

Reviews

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