Renah Wolzinger, Ed.D.

Here is a link to all of my published research.

This book should provide the reader with an overview of the evolu-tion of career and technical education in California over the 20th cen-tury and provide some insight as to its strengths and weaknesses as well as what challenges it faces in the new millennium. For those who are privileged to be a vocational education professional, much of this story will be familiar to you. However, for those of you unfamiliar with vocational education, let me briefly share with you why career and technical… Show more

This book should provide the reader with an overview of the evolu-tion of career and technical education in California over the 20th cen-tury and provide some insight as to its strengths and weaknesses as well as what challenges it faces in the new millennium. For those who are privileged to be a vocational education professional, much of this story will be familiar to you. However, for those of you unfamiliar with vocational education, let me briefly share with you why career and technical education/vocational education or, as we call it today, workforce education and development (corporate training and human resources development) is so important and needed in California’s public schools. Vocational education, career and technical educa-tion/occupational studies, and workforce education and development are used interchangeable throughout the book. Show less

ABSTRACT This study investigated the different Career and Technical Education (CTE) programs offered in California community colleges. Data from all CTE programs in five colleges were analyzed and the top 17 programs were chosen for their significantly higher number of enrolled students during the past three years. Only programs that were identified as vocational by the California Community College Chancellor's Office were included in the study. The overall purpose of this study was to… Show more

ABSTRACT This study investigated the different Career and Technical Education (CTE) programs offered in California community colleges. Data from all CTE programs in five colleges were analyzed and the top 17 programs were chosen for their significantly higher number of enrolled students during the past three years. Only programs that were identified as vocational by the California Community College Chancellor's Office were included in the study. The overall purpose of this study was to identify the core strengths of CTE programs that provide preparation for a state licensure exam. The results were used to develop a profile of strong CTE programs and to recommend ways of strengthening CTE program offerings in a single college environment. Show less

• Alterations in ionic conductance may represent an early mitogenic signal; therefore, impedance analysis was used to examine differences in the electrical properties of the distal colon in a cancer-susceptible (CF1) and a cancer-resistant (DBA) strain of mouse following administration of the carcinogen dimethylhydrazine. The electrical conductance of the surface colonic epithelium increased in CF1 mice from a mean (±SEM) of 41.1 ±3.0 milliSiemens.cm−2 (mS.cm−2) in controls to 52.6 ±3.1 mS.cm−2… Show more

• Alterations in ionic conductance may represent an early mitogenic signal; therefore, impedance analysis was used to examine differences in the electrical properties of the distal colon in a cancer-susceptible (CF1) and a cancer-resistant (DBA) strain of mouse following administration of the carcinogen dimethylhydrazine. The electrical conductance of the surface colonic epithelium increased in CF1 mice from a mean (±SEM) of 41.1 ±3.0 milliSiemens.cm−2 (mS.cm−2) in controls to 52.6 ±3.1 mS.cm−2 following dimethylhydrazine treatment. The conductance decreased in the cancer-resistant DBA group from 154.6±44.1 mS.cm−2 in controls to 35.1 ±17.2 mS.cm−2 following dimethylhydrazine treatment. This difference in response to the carcinogen may partly explain differences in susceptibility noted between these two species. Epithelial impedance analysis may be of use in the early detection of the colon at risk for subsequent cancer development. Show less

Epithelial impedance analysis in experimentally induced colon cancer.

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