This study investigated the effects of different gloss locations in extensive reading readers on English reading abilities of elementary students. It examined four groups of sixth graders in an elementary school and an extensive reading class was conducted over sixteen weeks. The four groups were given graded readers with four different types of glosses, such as non-gloss, marginal gloss, footnote gloss, and endnote gloss. To verify the effects of this experiment, pre- and post-reading ability test for the cognitive domain and pre- and post-questionnaire for the affective domain were administered to see if there were any achievement in reading ability and affective domain. The findings were as follows: (1) The four groups showed improvement in the reading ability tests. This result indicates that extensive reading was effective in improving students' reading ability; (2) The footnote gloss group showed the greatest change. This result indicates that footnote glosses influenced the most in improving students' reading ability; (3) All the groups showed positive results in the affective domain including attitude, self-confidence, interest, expectation, and value. In conclusion, extensive reading made a positive effect on all four groups and footnote glosses proved to be the most effective in both cognitive and affective domain.

본 연구에서는 PDA 기반의 블루투스를 이용한 무선통신 방사선 측정 장치를 개발하였다. 제안하는 시스템 은 방사선 측정 센서로 GM (Geiger-Mueller) 계수관을 이용하는 Vernier사의 Student Radiation Monitor, 데이터 획득을 위한 모듈로는 Vernier사의 LabPro, 데이터의 무선전송을 위하여 Initium사의 최대 30미터까지 블루투스 통신이 가능한 Promi-SD 101, 데이터의 저장과 디스플레이에는 운영체계로 Pocket PC 2003이 내장된 HP사의 5550으로 구성하였다. 방사선측정센서로 GM 계수관을 이용하였으므로 방사선 에너지 측정은 불가능하고 카운 트 양과 카운트율을 측정할 수 있다. PC를 이용한 시스템의 자연방사선 계측치와 PDA를 이용한 시스템의 자연 방사선 계측치를 비교한 결과, 제안하는 시스템은 자료의 왜곡 없이 송수신이 이루어지고 있음을 확인하였다.