单词 | attention span |
释义 | > as lemmasattention span attention span n. the breadth of attention, measured by the number of items that a person can perceive in or reproduce after a single presentation (cf. span n.1 5c) (chiefly Psychology); (more generally) the length of time a person can attend continuously to one type of stimulus (as a single subject, activity, etc.); (often modified) the capacity for sustained concentration. ΚΠ 1904 Jrnl. Philos., Psychol. & Sci. Methods 1 614 The subjects were tested with regard to memory, practice.., attention and effort.., attention span, and a domino discrimination test. 1934 Jrnl. Social Psychol. 5 313 Results which present conflicting records of the attention-spans of the subjects observed. 1959 J. D. MacDonald Please write for Details i. 8 She had that unfortunate blend of characteristics which combines a capacity for intense enthusiasm with a curiously short attention span. 1987 K. Gibbons Ellen Foster (1988) xii. 96 He does not have an attention span and..my new mama will rock him and read a bear or rabbit story to him and he will be still. 1995 N.Y. Rev. Bks. 16 Feb. 39/2 The audience out there could be assumed to have the attention span of caddis flies. attention span c. Psychology. Mental extent; the amount of information that the mind can be conscious of at a given moment, or the number of items it can reproduce after one presentation; esp. const. of, as span of apprehension, attention span, consciousness span, etc. Cf. memory span n. at memory n. Compounds 2. ΘΚΠ the mind > mental capacity > psychology > developmental psychology > acquisition of knowledge > [noun] > mental scope span1887 1887 Mind 12 76 The highest number correctly reproduced is to be regarded as the limit which we wish to find, and which we term here the span. 1887 Mind 12 79 We might expect that ‘span of prehension’ should be an important factor in determining mental grasp. 1890 W. James Princ. Psychol. I. xi. 405 The question of the ‘span’ of consciousness [sc. to how many things can we attend at once] has often been asked and answered. 1922 R. S. Woodworth Psychol. xi. 262 The ‘span of attention’ for objects..is measured by discovering how many such objects can be clearly seen, or heard, or felt, in a single instant of time. Measurement of this ‘span’ is one of the oldest experiments in psychology. 1945 Mind 54 165 She reduced the number of choices to a range lying within or just within the ‘span of attention’ of her subjects. 1971 Jrnl. Gen. Psychol. Jan. 129 No matter how high the level of luminance, the span of apprehensions will not exceed eight items during the critical interval. 1979 R. Jaffe Class Reunion (1980) iii. ii. 312 The child was very bright and had a long attention span. < as lemmas |
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