It has been shown earlier that while some high school students (younger on the average) do not differentiate between memorization and understanding, others (older on the average) do so (Marton, Watkins and Tang, Learning and Instruction 7, 21-48, 1997). Those who do differentiate impose a sequential ordering on the two: 'When you learn you memorize first and understand subsequently' or 'When you learn you understand first and memorize later'. This sequential ordering is expressed both through the students' account of their 'theory of learning' and their account of their own study practices. In the current study a group of 20 students of an elite University in mainland China were interviewed about learning, memorization and understanding in the context of their studies upon entering the University and 1.5 years later. It was found that while on the first occasion the predominant mode of talking about memorization and understanding was by discussing them in terms of either of the two above ways of sequentially ordering them. On the second occasion the most frequent way of talking about memorization and understanding was in terms of two simultaneous events, simply two different aspects of the very same learning process. The students spoke about using both repetition and variation in their study practice at the same time. Unlike when you read the same presentation of something several times in the same way and thus repeat the same thing again and again, when you read different presentations of the same thing or when you read the same presentation in different ways, something is repeated and something is varied. To the extent that repetition enhances remembering and variation enhances understanding -as the students seem to believe -they will likely remember that which is repeated and understand that which is varied. And when the two are intertwined they will remember what they understand.

The study on which this article is based examined the gender differences in educational achievements based on a longitudinal sample of more than 45,000 secondary school students in Hong Kong who took a public examination in 1997. The results coincided with the findings from recent British studies that boys did less well than girls in all areas of the school curriculum. The multilevel analyses of the effects of schooling, after controlling for initial ability, indicated that schooling did have an effect on gender differences. Girls achieved better results studying in single‐sex schools whereas boys achieved better in co‐educational schools. Compared with other students, it was those boys studying in the arts stream that did the least well in the public examination. The results are discussed in the context of the methodology of investigating gender differences and of the substantive questions of school effectiveness.

Older age, male sex, tall in height, and incision closer to the thyroid cartilage were independent contributing factors for unassessable VCs, whereas older age was the only contributing factor for inaccurate postoperative TLUSG. Because more than one-third of VCPs were actually normal, patients labeled as such on TLUSG would benefit from laryngoscopic validation.

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