Digital Commons Network^™

Predicting Within-Source Agreement In Multisource Feedback Ratings: An Examination Of Characteristics Of The Rater Group And The Focal Manager, Christine Schrader Fernandez

Dissertations, Theses, and Capstone Projects

Multisource feedback (MSF) involves gathering information about a manager's effectiveness from his or her boss, peers, and subordinates. Researchers typically average MSF ratings within rating sources (e.g., peers or subordinates), which assumes that agreement within rating sources is relatively high. However, there is little prior MSF research that has addressed the issue of within-source agreement, and the extant studies have often used inappropriate statistical techniques such as reliability indices. Moreover, this research often focuses on assessing the mean level of agreement or reliability within rating sources but has ignored the variability surrounding these indices. The purpose of the present study …

The Ticker, December 10, 2007

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.

A Quantitative Synthesis Of The Medicinal Ethnobotany Of The Malinké Of Mali And The Asháninka Of Peru, With A New Theoretical Framework, Nathaniel Bletter

Publications and Research

Background: Although ethnomedically and taxonomically guided searches for new medicinal plants can improve the percentage of plants found containing active compounds when compared to random sampling, ethnobotany has fulfilled little of its promise in the last few decades to deliver a bounty of new, laboratory-proven medicinal plants and compounds. It is quite difficult to test, isolate, and elucidate the structure and mechanism of compounds from the plethora of new medicinal plant uses described each year with limited laboratory time and resources and the high cost of clinical trials of new drug candidates.

Methods: A new quantitative theoretical framework of mathematical …

The Ticker, November 5, 2007

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.

Reasoning About The Behavior Of Aspect-Oriented Programs, Neelam Soundarajan, Raffi Khatchadourian, Johan Dovland

Publications and Research

Aspect-oriented programming (AOP) has become increasingly popular over the last few years. At the same time, reasoning about the behavior of these programs poses serious challenges. In this paper, we present a rely-guarantee approach to such reasoning. The rely-guarantee approach has proven useful in reasoning about concurrent and distributed programs. We show that some of the key problems encountered in reasoning about aspect-oriented programs are similar to those encountered in reasoning about concurrent programs; and that the rely-guarantee approach, appropriately modified, helps address these problems. We illustrate our approach with a simple example.

The Ticker, October 29, 2007

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.

An Update On Groundwater Conditions At The Site Of The York College Cuny Campus In Southeastern Queens County, New York City, Nazrul I. Khandaker, Stanley Schleifer, Zarine Ali, Edward A. Molteni

Publications and Research

The wells operated by the Jamaica Water Supply Company in Queens represent the only large scale utilization of groundwater for public water supply in New York City in recent years. These wells were shut down, for the most part, beginning in 1996. Since that time, water table elevations in the area, which had been drawn down by the withdrawal activity of the Jamaica Water Supply Company, have risen significantly causing some high groundwater problems, including flooding of basements. The New York City Department of Environmental Protection (NYCDEP) has held public hearings on a contemplated resumption of ground water withdrawal in …

Automated Refactoring Of Legacy Java Software To Enumerated Types, Raffi Khatchadourian, Jason Sawin, Atanas Rountev

Publications and Research

Modern Java languages introduce several new features that offer significant improvements over older Java technology. In this article we consider the new enum construct, which provides language support for enumerated types. Prior to recent Java languages, programmers needed to employ various patterns (e.g., the weak enum pattern) to compensate for the absence of enumerated types in Java. Unfortunately, these compensation patterns lack several highly-desirable properties of the enum construct, most notably, type safety. We present a novel fully-automated approach for transforming legacy Java code to use the new enumeration construct. This semantics-preserving approach increases type safety, produces code that is …

The Ticker, September 4, 2007

The Ticker

The Ticker is the student newspaper of Baruch College. It has been published continuously since 1932, when the Baruch College campus was the School of Business and Civic Administration of the City College of New York.

Advocate, September 2007, Vol. [19], No. [1], Gc Advocate

The Advocate

TABLE OF CONTENTS:

With Clancy Gone, Health Services Down But Not Out; VP: Contract Woes Hinder Finding a Successor (p. 1)

Wireless at Last: Service in Place in Library, Commons, and Other Sites (p. 1)

CUNY Tightens Admissions Standards for Senior Colleges (p. 1)

From the Editor’s Desk: It Can’t Happen Here: Or Has It? (p. 2)

Graduate Center Technology: New Computer Blitz for Library, Computer Labs (p. 3)

Dispatches from the Front: Learning Teaching Excellence (the Hard Way). Rachel Porter (p. 6)

Adjuncting: Towards Adjunct Empowerment. Carl Lindskoog (p. 6)

Grad Life: On the Other Side of the Table …

1139-3159_Nir_Spex, Dagny L. Looper

Publications and Research

No abstract provided.

A Rotating Panel Survey To Assess Quality Of Hunter College Education, Jennifer Sousa Brennan, William (Bill) H. Williams

Publications and Research

A rotating sample design is proposed to most accurately measure the perceived quality of a Hunter College education. A representative sample of Hunter College students will belong to one of six rotating panels. Students will be contacted during four rotation periods and report their assessment of the two most recent months. It is advantageous to use a rotating panel design as opposed to a fixed panel design in order to guard against the negative effects of a deteriorating response rate. Stratified sampling will help to ensure representation across major departments and academic year of study. Methods for sampling procedures, stratification, …

Prediction Of Cyclin-Dependent Kinase Phosphorylation Substrates, Emmanuel J. Chang, Rashida Begum, Brian T. Chait, Terry Gaasterland

Publications and Research

Protein phosphorylation, mediated by a family of enzymes called cyclin-dependent kinases (Cdks), plays a central role in the cell-division cycle of eukaryotes. Phosphorylation by Cdks directs the cell cycle by modifying the function of regulators of key processes such as DNA replication and mitotic progression. Here, we present a novel computational procedure to predict substrates of the cyclin-dependent kinase Cdc28 (Cdk1) in the Saccharomyces cerevisiae. Currently, most computational phosphorylation site prediction procedures focus solely on local sequence characteristics. In the present procedure, we model Cdk substrates based on both local and global characteristics of the substrates. Thus, we define the …

Report Of The Task Force On Distance Learning Policy And Practice, John Jay College Of Criminal Justice, John Jay College Of Criminal Justice - Task Force On Distance Learning Policy And And Practice

Reports and Publications from John Jay College

The Task Force has generally concluded that distance learning initiatives should only go forward with the full commitment of the college's leadership, made real by dedicated resources and personnel, and carried forward by organizational structures and policies designed to best deliver online education.

The Task Force surveyed John Jay faculty, students and administrators about their experiences with online learning at the college, finding an acceptance of distance learning and an anticipation of its expansion. The competitive landscape was surveyed as well, identifying a large number of institutions in New York and across the country 'that offer degrees in criminal justice, …

Human Mst But Not Mt Responds To Tactile Stimulation, Michael S. Beauchamp, Nafi E. Yasar, Neel Kishan, Tony Ro

Publications and Research

Previous reports of tactile responses in human visual area MT/V5 have used complex stimuli, such as a brush stroking the arm. These complex moving stimuli are likely to induce imagery of visual motion, which is known to be a powerful activator of MT. The area described as “MT” in previous reports consists of at least two distinct cortical areas, MT and MST. Using functional magnetic resonance imaging, we separately localized human MT and MST and measured their response to vibrotactile stimuli unlikely to induce imagery of visual motion. Strong vibrotactile responses were observed in MST but not in MT. Vibrotactile …

Msbayes: Pipeline For Testing Comparative Phylogeographic Histories Using Hierarchical Approximate Bayesian Computation, Michael J. Hickerson, Eli Stahl, Naoki Takebayashi

Publications and Research

Background Although testing for simultaneous divergence (vicariance) across different population-pairs that span the same barrier to gene flow is of central importance to evolutionary biology, researchers often equate the gene tree and population/species tree thereby ignoring stochastic coalescent variance in their conclusions of temporal incongruence. In contrast to other available phylogeographic software packages, msBayes is the only one that analyses data from multiple species/population pairs under a hierarchical model. Results msBayes employs approximate Bayesian computation (ABC) under a hierarchical coalescent model to test for simultaneous divergence (TSD) in multiple co-distributed population-pairs. Simultaneous isolation is tested by estimating three hyper-parameters that …

Maintaining Phase Of The Tri-Phasic Crab Pyloric Rhythm, Christina Mouser, Farzan Nadim, Amitabha Bose

Publications and Research

No abstract provided.

A Dynamic-Trend Exponential Smoothing Model, Don Miller, Dan Williams

Publications and Research

Forecasters often encounter situations in which the local pattern of a time series is not expected to persist over the forecasting horizon. Since exponential smoothing models emphasize recent behavior, their forecasts may not be appropriate over longer horizons. In this paper, we develop a new model in which the local trend line projected by exponential smoothing converges asymptotically to an assumed future long-run trend line, which might be an extension of a historical long-run trend line. The rapidity of convergence is governed by a parameter. A familiar example is an economic series exhibiting persistent long-run trend with cyclic variation. This …

Origin Of Defect-Related Green Emission From Zno Nanoparticles: Effect Of Surface Modification, Yinyan Gong, Tamar Andelman, Gertrude F. Neumark, Stephen O’Brien, Igor L. Kuskovsky

Publications and Research

We investigated the optical properties of colloidal-synthesized ZnO spherical nanoparticles prepared from 1-octadecene (OD), a mixture of trioctylamine (TOA) and OD (1:10), and a mixture of trioctylphosphine oxide (TOPO) and OD (1:12). It is found that the green photoluminescence (PL) of samples from the mixture of TOA/OD and TOPO/OD is largely suppressed compared with that from pure OD. Moreover, it is found that all spherical nanoparticles have positive zeta potential, and spherical nanoparticles from TOA/OD and TOPO/OD have a smaller zeta potential than those from OD. A plausible explanation is that oxygen vacancies, presumably located near the surface, contribute to …

Genetic Randomization Reveals Functional Relationships Among Morphologic And Tissue-Quality Traits That Contribute To Bone Strength And Fragility, Karl J. Jepsen, Bin Hu, Steven M. Tommasini, Hayden-William Courtland, Christopher Price, Carl J. Terranova, Joseph H. Nadeau

Publications and Research

We examined femora from adult AXB/BXA recombinant inbred (RI) mouse strains to identify skeletal traits that are functionally related and to determine how functional interactions among these traits contribute to genetic variability in whole-bone stiffness, strength, and toughness. Randomization of A/J and C57BL/6J genomic regions resulted in each adult male and female RI strain building mechanically functional femora by assembling unique sets of morphologic and tissue-quality traits. A correlation analysis was conducted using the mean trait values for each RI strain. A third of the 66 correlations examined were significant, indicating that many bone traits covaried or were functionally related. …

A Reduction Algorithm For Computing The Hybridization Number Of Two Trees, Magnus Bordewich, Simone Linz, Katherine St. John, Charles Semple

Publications and Research

Hybridization is an important evolutionary process for many groups of species. Thus, conflicting signals in a data set may not be the result of sampling or modeling errors, but due to the fact that hybridization has played a significant role in the evolutionary history of the species under consideration. Assuming that the initial set of gene trees is correct, a basic problem for biologists is to compute this minimum number of hybridization events to explain this set. In this paper, we describe a new reduction-based algorithm for computing the minimum number, when the initial data set consists of two trees. …

Low-Income Minority Mothers’ Reports Of Infant Health Care Utilisation Compared With Medical Records, Kennan D. Murray, Ayman El-Mohandes, M. Nabil El-Khorazaty, Michele Kiely

Publications and Research

This study aimed to investigate mothers’ reporting of the nature, location, frequency and content of health care visits for their infants, as compared with data abstracted from the infants’ medical records. It was part of a community-based parenting intervention designed to improve preventive health care utilisation among minority mothers in Washington, DC. Mothers 18 years old with newborn infants and with poor or no prenatal care were enrolled in the study. A total of 160 mother–infant dyads completed the 12-month study. Mothers were interviewed when the infants were 4, 8 and 12 months old, and were asked to recall infant …

The Research Impact Of Open Access Journals, Summary Of A Presentation By Kristin Antelman, Irwin Weintraub

Urban Library Journal

The purpose of this study was to examine whether articles have a greater impact in citation numbers if they are open access compared to non-open access in the same journals. ...

Curriculum Committee Minutes April 17, 2007, Bronx Community College Curriculum Committee

BCC Governance Archives

Minutes for the meeting of the Curriculum Committee on April 17, 2007.

The Communicator, April 16, 2007, Bronx Community College

The Communicator

The Communicator newspaper published on April 16, 2007.

Automated Refactoring Of Legacy Java Software To Enumerated Types, Raffi Khatchadourian, Jason Sawin, Atanas Rountev

Publications and Research

Modern Java languages introduce several new features that offer significant improvements over older Java technology. In this article we consider the new enum construct, which provides language support for enumerated types. Prior to recent Java languages, programmers needed to employ various patterns (e.g., the weak enum pattern) to compensate for the absence of enumerated types in Java. Unfortunately, these compensation patterns lack several highly-desirable properties of the enum construct, most notably, type safety. We present a novel fully-automated approach for transforming legacy Java code to use the new enumeration construct. This semantics-preserving approach increases type safety, produces code that is …

Rely-Guarantee Approach To Reasoning About Aspect-Oriented Programs, Raffi Khatchadourian, Neelam Soundarajan

Publications and Research

Over the last few years, the question of reasoning about aspect-oriented programs has been addressed by a number of authors. In this paper, we present a rely-guarantee approach to such reasoning. The rely-guarantee approach has proven extremely successful in reasoning about concurrent and distributed programs. We show that some of the key problems encountered in reasoning about aspect-oriented programs are similar to those encountered in reasoning about concurrent programs; and that the rely-guarantee approach, appropriately modified, helps address these problems. We illustrate our approach with a simple example.

The Communicator, February 12, 2007, Bronx Community College

The Communicator

The Communicator newspaper published on February 12, 2007.

The Bridge: Laguardia Community College Student Newspaper (February 2007), Laguardia Community College

The Bridge: LaGuardia Community College Student Newspaper

No abstract provided.

The Impact Of Receiver Aperture Design And Telescope Properties On Lidar Signal-To-Noise Ratio Improvements, Yasser Hassebo, Khaled El Sayed

Publications and Research

Range and sensitivities of lidar measurements in daylight are limited by sky background noise power (BGP). This is particularly important for Raman lidar techniques where the Raman backscattered signal is relatively weak. This often restricts Raman lidar measurements to nighttime where BGP is absent. The background noise elimination is particularly important in daytime measurements in case where full overlap between laser beam and receiver telescope field-of-view (FOV) is necessary. Results of numerical simulations for a vertically pointing Lidar show that significant improvements in Lidar signal to noise ratio (SNR) can be obtained, by minimizing the detected sky BGP. This can …