Gas Turbine Engines (GTE) have the highest power-to-weight ratio among Internal Combustion Engines (ICE). Its modularity and ability to utilize various types of fuel make it highly recommended in power plants, naval transportation, and, of course, the most equipped in aviation. The lack of GTEs' real data is increasing a recognized need for…

The basic concepts, practices, and considerations in assessment are outlined in order to provide the reader with a beginning knowledge of assessment techniques and procedures. Discussion includes the goals of assessment, types of tests, criteria for instrument selection, test construction, data collection procedures, and statistical analysis of…

This annual report describes the results of the second year (academic year 1967-68) of research work done in the Child Development Research and Evaluation Center for Head Start at Temple University. Part One of this report discusses the Center's National Data Program and sets out in tabular form demographic and cognitive data obtained on 86 urban…