Practical, relevant ideas developed by practicing teachers including photography, environmental instrumentation, digital display units, and the planning of practical investigations, are presented. (BT)

This entire issue is devoted to a listing of available laboratory instruments and equipment. Names of instruments appear in alphabetical order; names of manufacturers of each instrument appear under each instrument entry, and a separate section lists manufacturers' addresses. (MLH)

Instrumentation for the measurement of pollutant emissions is considered including sample-site selection, sample transport, sample treatment, sample analysis, and data reduction, display, and interpretation. Measurement approaches discussed involve sample extraction from within the stack and electro-optical methods. (BL)

This study was an attempt to compare the effectiveness of affective learning in large group-small group combinations with conventional sized class groups of 50-60 students. (CK)

Results of comparing CAAS with other attitude scales suggests that CAAS may be valid for assessing affective attitudes. Statistical data tables included. (Author)

Comparisons between three amplification systems of signals from photoelectric detectors are made. (RR)

Concern is raised about the wording of the Counselor Education Program Innovation Index items and about the response format. The influence of perceived item ambiguity andresponse format bias upon the results of the inventory are noted. A suggestion is made for ACES sponsorship of research descriptive of what counselor educators do and with what…