Describes the design and development of a method for high school physics instruction which actively engages students in understanding the physical world by constructing and using scientific models to describe, explain, predict, and control phenomena. Presents evidence for the effectiveness of the modeling method. Concludes that effectiveness of…

Describes a simple inexpensive circuit which can be used to quickly demonstrate the basic function and versatility of the solid state diode. Can be used to demonstrate the light-emitting diode (LED) as a light emitter, temperature sensor, light detector with both a linear and logarithmic response, and charge storage device. (JRH)

Presents a simple yet effective means for demonstrating crystal optics using a microwave beam on wood targets. Describes a method to quantitatively examine the separation of ordinary and extraordinary waves. (JRH)

Describes an apparatus for crystal growth that was designed to study growth kinetics of small crystals from solutions and to obtain crystals of various substances. Describes the use of the apparatus in laboratory practical experiments in the field of crystal growth physics within the course "Solid State Physics". (JRH)

Provides an introduction to the German educational theory of didaktik. Didaktik emphasizes critical thinking incorporated into content instruction. Although originally developed in the 19th century, didaktik has enjoyed renewed popularity within the last 10 years. Discusses the history of the theory and its impact on U.S. pedagogy. (MJP)

Presents a crucial German essay, originally published in 1958, that defined and introduced didaktik to a new generation of educators. In this incarnation, didaktik represents an educational approach that incorporates critical thinking (as defined by Adorno and Habermas) into both content and instruction. Briefly outlines the essentials of didactic…

Investigates the characteristics of oral and written communication in a German third-grade mathematics class and theorizes how this knowledge might be applied to improve instruction. Develops several lessons incorporating communication skills into activities that illustrate fundamental mathematical concepts. Includes lesson transcripts, writing…

Reports on a research development model designed to improve the teaching and learning of mathematics in the Dominican Republic. The model drew heavily upon the Missouri Mathematics Project. Discusses innovations in curriculum development, classroom instruction, and inservice teacher training. Includes statistical tables on student achievement and…

The history of the National Marriage Guidance Council (Great Britain) from 1948 to 1988 is used as a case study to illustrate some of the basic organizational dilemmas and conflicts experienced in counseling agencies. Discusses three organizational dynamics: social and cultural environment, structure and ideology, and lifespan. (JPS)

Studies of the impact of short vs. long time delays between initial referral and first appointment for relationship counseling of 60 clients. Results indicate that clients offered appointments within two weeks of referral were significantly more likely to attend for first appointment than were clients whose appointment came between 4 and 12 weeks…

Describes two studies examining the link between the counseling skills of hotline counselors and their conceptualizing abilities. The first relied on counselors' postinterview conceptualizations of callers' problems and found no link between conceptualization accuracy and counseling skill. However, the accuracy of conceptualizations as measured by…

Discusses Carl Rogers' definitions of congruence, and identifies four specific requirements for the concept and practice of therapeutic congruence. Examines the interface between congruence and the other necessary and sufficient conditions of change, drawing on examples from practice. (JPS)

Examines whether fear of therapy and psychological distress were predictive of help-seeking. A nonclinical student sample (n=263) completed measures of their treatment fears, expectations, anxiety, psychological distress and help-seeking likelihood. Concerns about image, stigma, coercion, and psychological distress were all related to help-seeking…

Examines the impact of policies, practices, and attitudes of employers toward new parents by interviews with seven women and six men who had recently returned to work after becoming first-time parents. Findings pointed to considerable differences in the attitudes of employers to the men and women. Discusses implications for organizational careers…

In a study of senior executives (n=132) involved in a career counseling program, there was no evidence of any change in expectations of future employing organizations or the career signals they held important. Postcounseling clients rated themselves more highly than precounseling clients on knowledge, confidence, career self-awareness, ability to…