An Investigation of Preliminary Feature Screening Using Signal-To-Noise Ratios

A new saliency metric and a new saliency screening method are developed. This new metric, the SN saliency metric, is based upon signal-to-noise ratios, where the signal is provided by a sum of squared weights associated with a given feature, and the noise is based upon a sum of squared weights associated with a reference noise feature which is injected into the data. The resultant metric allows for a direct comparison of the feature of interest with a reference noise feature which is known to be nonsalient. The SN saliency screening method, which uses the SN saliency metric, offers the potential of identifying salient features in one saliency screening run and is envisioned as an economical rough screening tool to be used prior to more refined screening efforts or more exhaustive training efforts. During the screening run, features are removed individually based upon their rank as determined by the SN saliency metric. The classification error rate\u27s reaction to a given feature\u27s removal helps confirm that feature\u27s saliency

Understanding the Implications of Work Based Learning for Students PK-12 School Systems Institutions of Higher Education and Hosting Organizations

This literature review by the Metropolitan Educational Research Consortium (MERC) and Institute for Collaborative Research and Evaluation (ICRE), in partnership with the Virginia Talent + Opportunity Partnership (V-TOP) and State Council of Higher Education for Virginia (SCHEV) explores work-based learning and its implications for PK-12 institutions, institutions of higher education, and hosting organizations (e.g. employers). The report also provides background information about the foundations of work-based learning and concludes with a series of recommendations for practice, policy, and future research related to work-based learning. There is also an accompanying podcast episode where report authors discuss the key takeaways with partners from V-TOP and SCHEV

A Life History Study of the Ground Squirrel Citellus Spilosoma Major (Merriam)

The purposes of this study are (1) to determine the various habits and activities in the life cycle of the spotted ground squirrel; and (2) to compare these data with those found by other writers for similar species within the genus Citellus

Synthesis of 2-Phenyl-2,1,3-Triazole-4-Carboxaldehyde and Some Derivatives

It was decided in this problem to prepare 2-phenyl-2,1,3-triazole-4-carboxaldehyde (III) as a starting material by the method suggested by Hann and Hudson and run a number of typical aldehyde reactions with it. The preparation of (III) involved: (1) The hydrolysis of sucrose to form glucose and fructose; (2) conversion of these two sugars to D-glucose phenylosazone (I), by reaction with phenylhydrazine; (3) transformation of (I) to D-glucose phenylosotraizole (II), by the action of hot aqueous copper sulfate; and (4) oxidation of the side chain from (II) with sodium periodate, forming (III). The reactions selected were: (1) the Grignard reaction; (2) the Perkin reaction; (3) condensation of the aldehyde with a diamine to yield an imidazolidine; (4) oxidation to the acid and condensation of this acid with a diamine to yield an imidazoline; (5) condensation with acetone; and (6) a crossed Cannizzaro reaction, yielding primarily 2-phenyl-2,1,3-triazol-4-yl-carbinol

Exploring the Effect of CTE Coursework and Work Experience on Adolescent Career Readiness

Career readiness is an area of youth development that is often overlooked in secondary education. Preparing students for the professional world is especially important for high school students, who upon graduation, will have to decide to pursue postsecondary education or a career. Career and Technical Education (CTE) programs, which involve teaching youth employable knowledge and skills, have been shown to assist students in transitioning more seamlessly from high school to college and careers. Work experiences, such as jobs and internships, have also been found to support adolescent career readiness. Currently, there is not a widely used quantitative measure for assessing career readiness. Through a quasi-experimental design, this study will utilize the Career Maturity Inventory Form C (CMI-C) to examine the influence of CTE programming, work experience, and the interaction of these interventions on the career readiness of high school seniors