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A series of experiments explored the role of structural information in the auditory recognition process, within the context of a backward recognition masking paradigm. A masking tone presented after a test tone has been found to interfere with the perceptual processing of the test tone, the degree of interference decreasing with increased durations of the silent intertone interval between the test and masking tones. In the current studies, the task was modified to utilize three-tone sequences as the test stimuli. Six test sequences were employed (LMH, LHM, MLH, MHL, HLM, HML), where L, M, and H represent the lowest, middle, and highest frequencies in the melody. The observers identified these six possible sequences when the three tones of the test sequence were interleaved with three presentations of a single masking tone. All three tones of the test sequence were drawn from the same octave, while the masking tones could be drawn from any of three octaves, symmetrical around the octave containing the test tones. Under these conditions, interference occurred primarily from masking tones drawn from the same octave as the test tones. Masking tones drawn from other octaves were found to produce little, if any, interference with perception of the test tones. This effect was found to occur only for the identification of tonal sequences. Substantial masking of single-tone targets occurred with masking tones drawn from octaves other than that containing the targets. The results make apparent the use of structural information during auditory recognition. A theoretical interpretation was advanced which suggests that, while single tones are perceived on the basis of absolute pitch, the presence of auditory structure may allow relational information, such as exact pitch intervals or melodic contour, to facilitate perception of the tonal sequence. 相似文献
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Theories of word perception in reading can be categorized in terms of the assumption made about whether or not a word context modifies the feature analysis of its component letters. Independence theories assume that the visual information passed on by feature analysis is independent of word context. Nonindependence theories assume that a word context directly influences visual analysis. Some nonindependence theories have assumed that word context enhances feature analysis of letters, others have assumed that word context overrides feature analysis of letters, and some have assumed that word context directs which letters are analyzed. The present experiment provided a critical test between the two classes of theories by independently varying orthographic context and visual letter information in a letter recognition task. The results contradict the qualitative predictions of the class of nonindependence theories and are accurately described by a quantification of independence theory. 相似文献
126.
Lourdes Ezpeleta Aquilino Polaino Edelmira Doménech José M. Doménech 《Journal of abnormal child psychology》1990,18(4):373-391
The Peer Nomination Inventory of Depression (PNID) was answered by 1,121 children from Barcelona in the fourth year of grammar school and by their teachers (n=36) to analyze this questionnaire in a Spanish sample. The results indicated (1) high internal consistency; (2) discriminative power between depressed and nondepressed; (3) low concurrent validity; (4) convergent and discriminant validity; (5) a two-factor structure; and (6) that two discriminant functions could differentiate between depressed, dysthymic, and nondepressed subjects. The teacher's responses showed (1) moderate internal consistency; (2) discriminative power between depressed and nondepressed groups; (3) moderate concurrent validity; (4) and that two discriminant functions could differentiate between the diagnostic groups. The importance of the information given by the teacher to help detect severe depressive problems was pointed out. 相似文献
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We have implemented a facial animation system to carry out visible speech synthesis. Using this system, it is possible to manipulate control parameters to synthesize a sequence of speech articulations. In addition, it is possible to synthesize novel articulations, such as one that is half way between /ba/ and /da/. 相似文献
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Topa Cantisano G Morales Domínguez JF Depolo M 《The Spanish journal of psychology》2008,11(1):207-218
Although sexual harassment has been extensively studied, empirical research has not led to firm conclusions about its antecedents and consequences, both at the personal and organizational level. An extensive literature search yielded 42 empirical studies with 60 samples. The matrix correlation obtained through meta-analytic techniques was used to test a structural equation model. Results supported the hypotheses regarding organizational environmental factors as main predictors of harassment. 相似文献
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Domínguez-Sánchez FJ Lasa-Aristu A Goñi-Imízcoz M 《The Spanish journal of psychology》2011,14(2):936-943
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a small-vessel disease of the brain that is characterized by headache, recurring lacunar strokes, mood changes and progressive cognitive deterioration. The disease is transmitted with an autosomal dominant pattern and usually starts during midadulthood (at 30-50 years of age). Cognitive deficits in patients with CADASIL develop slowly. The dementia causes frontal-like symptoms and it typically develops after a history of recurrent stroke. We describe three patients from one Spanish family affected by this disease. All three cases underwent comprehensive clinical and neuropsychological examination, and were monitored for seven years. The results obtained in this study describe a) a significant loss of the intelligence quotient (IQ) and noticeable damage to abstract ability (g factor), b) mood and psychopathological disturbances (major depression and dysthymia), and c) a personality with neurotic features. 相似文献