Discusses the importance and the effect of pictures and illustrations in children's literature. (RB)

The effects of the relationship between the presentation of a verbal stimulus ('right') and an established reinforcer (M & Ms) on the reinforcement efficacy of the verbal stimulus were tested with three groups of retarded boys. (Author/CS)

Appropriate namings and selections of four focal hues and eight intermediate hues, and relationships between them, increase with the age of 3, 4 and 5-year-old nursery school children. (Author)

Elementary school students were tested on a visual search task where letter matching was based on the visual or name characteristics of letters. Visual match lists were searched faster than name match lists by all three grades. (SBT)

The focus of this article was with the general question of how stimuli are established as signals or acquire associative strength, and no distinction being made between classical and instrumental experiments. (Author/RK)

An alternative content method, allowing bipolar representation and based on separate scaling of quality and intensity, is presented. For comparative purposes the method was used together with a distance method and an ordinary content method, with nine words denoting emotions as stimuli. (Author)

This study is an initial investigation of the effects of a fading procedure upon acquisition and transfer of discrimination learning with children younger than 36 months of age. (CS)

Paper based on a PhD dissertation submitted to the University of Michigan (1968)