We discuss collecting data simultaneously from many different instruments, including both qualitative and quantitative sources. A list of instruments used is provided, and data collection methods are described. Many practical logistical concerns are discussed, warning of potential pitfalls to be avoided. This article is intended to be a practical…

The New York State Center for Migrant Studies conducted this 1968 study which investigated effects of token reinforcers on reading and arithmetic skills learnings of migrant primary school students during a 6-week summer school session. Students (Negro and Caucasian) received plastic tokens to reward skills learning responses. Tokens were traded…

Identifying the effects of the New York State Experimental Prekindergarten Program on the development of children requires that a broad array of data be analyzed. In studying the effects of the program, the evaluation unit is interested in determining whether there is an overall effect, and whether children of different ages and different levels…

PREKINDERGARTENS IN 8 NEW YORK STATE SCHOOL SYSTEMS WERE EVALUATED TO FIND OUT IF THE CHILDREN INVOLVED SHOWED INCREASED CAPACITY TO LEARN, AND IMPROVEMENT IN LANGUAGE AND COGNITIVE SKILLS. 1010 DISADVANTAGED AND 225 NONDISADVANTAGED SUBJECTS WERE RANDOMLY ASSIGNED TO EXPERIMENTAL AND CONTROL GROUPS AND PRE- AND POST-TESTED WITH THE STANFORD-BINET…