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Charge-coupled devices (CCDs) continue to reign supreme in the realm of imaging out to 1 μm, with the steady improvement of performance and the introduction of innovative features. This review is a survey of recent developments in the technology and the current limits on performance. Device packaging for large, tiled focal-plane arrays is also described. Comparisons between CCDs and the emerging CMOS imagers are highlighted in terms of process technology and performance.

A t‐test comparison of the acculturation levels of Vietnamese students (members of Vietnamese student associations) living in or away from Vietnamese communities found higher overall acculturation for the former than for the latter group and no difference in the Value dimension of acculturation. Age and length of residency in the United States predicted acculturation.