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Since the inception of the "computer age," much talk has been heard about applying this relatively new technology for manipulating information to the medieval manuscript fragments from the Cairo Geniza. The uses of the Geniza, particularly its documentary sources, for Middle Eastern history will be well known to many readers of this Bulletin. The thousands of letters, court records, marriage contracts, lists, and other documentary treasures, preserved for centuries in a large discard chamber in what is today the Ben Ezra Synagogue in Fustat, and written in Hebrew or Judæo-Arabic (Arabic in Hebrew letters), with a small number in Arabic language and script, constitute an unmediated source for the reconstruction of what the late Professor S. D. Goitein called the "Mediterranean Society" of Jews, Muslims, and Christians of the high Middle Ages.

This paper critically reviews the pedagogical benefits and obstacles to applying CALL to military English learning in terms of the theories associated with CALL. The obstacles that hinder effective CALL practice in military settings can be attributable to a) a long-held behavioristic tradition for language learning such as rote memorization and repetitive drilling; b) the antithesis of traditional military sentiment against the shift of learning responsibility from the military to individuals; and c) military instructors who may be incapable of implementing effective CALL practice because of their own preconceptions, backgrounds and established skill sets. However, properly implemented CALL not only prepares learners linguistically and culturally for participating in multinational military operations, but also provides learners with peer support opportunities where they can cooperate with their peers to achieve more than what they are capable of and enhance their interpersonal communication required in the military. CALL also benefits learners by enabling them to monitor their progress and promoting critical thinking.

The conventional way to measure program impacts is to compute the average treatment effect; that is, the difference between a treatment group that received some intervention and a control group that did not. Recently, scholars have recognized that looking only at the average treatment effect may obscure impacts that accrue to subgroups. In an effort to inform subgroup analysis research, this article explains the challenge of treatment group heterogeneity. It then proposes using cluster analysis to identify otherwise difficult-to-identify subgroups within evaluation data. The approach maintains the integrity of the experimental evaluation design, thereby producing unbiased estimates of program impacts by subgroup. This method is applied to data from the evaluation of New York State's Child Assistance Program, a reform that intended to increase work and earnings among welfare recipients. The article interprets the substantive findings and then addresses the advantages and disadvantages of the proposed method.

The dual-language program at Public School 84 provides immersion settings in Spanish and English, on an alternate-day basis, for classes containing both Hispanic and non-Hispanic children of varying degrees of language dominance. Teachers carefully avoid concurrent mixing of languages as they develop curriculum. Language itself is not taught; rather, it is learned through use in informal classroom structures that encourage social interaction. Bilingualism and biliteracy are expected outcomes by grade six but are secondary to the goal of academic growth. The dual-language program is an enrichment program that grew out of the school's earlier bilingual program, which was started in 1970 and rooted in the principles of heterogeneity and inclusion of children's cultural backgrounds. It has been a collaborative effort of staff, parents, and administration, with technical support from Professor Ricardo Otheguy of City College, New York.

A computer-based monitoring system can help an organization apply its salary administration policies effectively.