Effects of presenting relevant rules and complete feedback on the conservation of liquid quantity task.

Hypothesis behavior by humans during discrimination learning.

1966 • 395 citations

Conservation acquisition: A problem of learning to attend to relevant attributes

1969 • 341 citations

THE ACQUISITION OF CONSERVATION OF SUBSTANCE AND WEIGHT IN CHILDREN

1961 • 202 citations

Learning and operational convergence in logical thought development

1965 • 174 citations

THE ACQUISITION OF CONSERVATION OF SUBSTANCE AND WEIGHT IN CHILDREN

1961 • 132 citations

EXPERIMENTAL ANALYSIS OF THE DEVELOPMENT OF THE CONSERVATION OF NUMBER1

1962 • 111 citations

Training Conservation Through the Use of Learning Sets

1967 • 72 citations

Number conservation: the roles of reversibility, addition-subtraction, and misleading perceptual cues.

1967 • 61 citations

Inducing Number Conservation in Children1

1964 • 59 citations

THE GROWTH OF THE CONCEPT OF VOLUME IN JUNIOR SCHOOL CHILDREN

1961 • 41 citations

THE ACQUISITION OF CONSERVATION OF SUBSTANCE AND WEIGHT IN CHILDREN

1961 • 39 citations

THE TRAINING OF CONSERVATION OF NUMBER IN YOUNG CHILDREN

1969 • 32 citations