Detection of information specifying the motion of objects by 3- and 5-month-old infantsRUFF, H. A.Developmental psychology. 1985, Vol 21, Num 2, pp 295-305, issn 0012-1649Article

Preference for rotating objects in 5-month-old infantsRUFF, H. A.Infant behavior & development. 1987, Vol 10, Num 3, pp 365-369, issn 0163-6383Article

Components of attention during infants' manipulative explorationRUFF, H. A.Child development. 1986, Vol 57, Num 1, pp 105-114, issn 0009-3920Article

Infantś manipulative exploration of objects: effects of age and object characteristicsRUFF, H. A.Developmental psychology. 1984, Vol 20, Num 1, pp 9-20, issn 0012-1649Article

Principles of development: implications for early interventionFUTTERWEIT, L. R; RUFF, H. A.Journal of applied developmental psychology. 1993, Vol 14, Num 2, pp 153-173, issn 0193-3973Article

Long-term stability of individual differences in sustained attention in the early yearsRUFF, H. A; LAWSON, K. R; PARRINELLO, R et al.Child development. 1990, Vol 61, Num 1, pp 60-75, issn 0009-3920Article

Development of sustained, focused attention in young children during free playRUFF, H. A; LAWSON, K. R.Developmental psychology. 1990, Vol 26, Num 1, pp 85-93, issn 0012-1649Article

Auditory-visual responsiveness in full-term and preterm infantsLAWSON, K. R; RUFF, H. A; MCCARTON-DAUM, C et al.Developmental psychology. 1984, Vol 20, Num 1, pp 120-127, issn 0012-1649Article

Focused visual attention and distractibility in 10-month-old infantsRUFF, H. A; CAPOZZOLI, M; SALTARELLI, L. M et al.Infant behavior & development. 1996, Vol 19, Num 3, pp 281-293, issn 0163-6383Article

Declining blood lead levels and cognitive changes in moderately lead-poisoned childrenRUFF, H. A; BIJUR, P. E; MARKOWITZ, M et al.JAMA, the journal of the American Medical Association. 1993, Vol 269, Num 13, pp 1641-1646, issn 0098-7484Article

Maternal behavior and infant attentionLAWSON, K. R; PARRINELLO, R; RUFF, H. A et al.Infant behavior & development. 1992, Vol 15, Num 2, pp 209-229, issn 0163-6383Article

Age, individuality, and context as factors in sustained visual attention during the preschool yearsRUFF, H. A; CAPOZZOLI, M; WEISSBERG, R et al.Developmental psychology. 1998, Vol 34, Num 3, pp 454-464, issn 0012-1649Article

A measure of vigilance in infancyRUFF, H. A; CAPOZZOLI, M; DUBINER, K et al.Infant behavior & development. 1990, Vol 13, Num 1, pp 1-20, issn 0163-6383Article

The influence of adult intervention on infants' level ofd attentionPARRINELLO, R. M; RUFF, H. A.Child development. 1988, Vol 59, Num 4, pp 1125-1135, issn 0009-3920Article

Developmental abnormalities in infants and children with acquired immune deficiency syndrome (AIDS) and AIDS-related complexULTMANN, M. H; BELMAN, A. L; RUFF, H. A et al.Developmental medicine and child neurology (Print). 1985, Vol 27, Num 5, pp 563-571, issn 0012-1622Article

Preterm infantś manipulative exploration of objectsRUFF, H. A; MCCARTON, C; KURTZBERG, D et al.Child development. 1984, Vol 55, Num 4, pp 1166-1173, issn 0009-3920Article