The concept of a Critical Path Scheduling Tableau is introduced
as an integrating tool for solving industrial engineering problems
involving the application of transitive graphs.
The Tableau is a combination of a precedence matrix and a
boundary time table which may be used to construct graphical representations
for critical path...
The utilization of historical data is suggested as an approach to
solving some of the difficulties involved in the estimating of activity
durations in critical path scheduling.
The historical data presented show the effects of various
weather conditions upon the performance of human labor and mechanical
equipment. When combined with...
Critical Path Budgeting is introduced as an integrating tool for
project planning, coordination, and control. Through a synthesis of
budgeting and critical path scheduling, it is possible to treat the time
and cost variables of a project explicitly. Thus, one can analyze the
behavior of the firm as an approximation...
Systems Tableau is suggested as a convenient tool for the
integration of the three phases of systems theory: the synthesis of
a model from the analysis of a system; the evaluation of the model;
and the decision-making process for the design and control of the
resulting system.
From a basic...
A machine capable of demonstrating and solving queueing
problems is useful to any systems engineer. This paper describes
a successful queueing simulator constructed from readily available
materials. The machine is easy to operate, portable, and simple
enough to be built in any well equipped machine shop.
The educational values of...
A single item is to be produced over a given number of time
periods to satisfy the future requirements which are subject to fluctuations.
The production rate and work force level for each time
period are to be decided in order to minimize the production cost
where the costs for...
Industrial training in the Fashion Apparel Industry is confronted with difficult objectives. In this industry, continual style and fabric change challenge the effectiveness of conventional industrial training techniques and concepts. To meet this challenge, the "Self-Help" training concept was developed. "Self-Help" centers around the philosophy of training sewing machine operators...
In this thesis a system analysis compares power development
plans for the 1980 decade in the Mekong countries i.e. Laos, Thailand
Cambodia, and South Vietnam. Given the decision to invest in power
development, an economic evaluation is made of complete system
developments rather than just hydro or thermal plants. The...
A market survey of aluminum users' purchasing
policies and the concept of opportunity costs are combined
in a quantitative decision model designed to
assist aluminum suppliers' efforts in directing products
and services improvements.
The opportunity cost, as the percentage of business
forgone, is determined for seven criteria representing
the products...
The behavior of individuals in decision making under risk was
investigated using choice structures of greater complexity than the
types examined in previous studies. The experiment performed consisted
of two phases. In Phase I a basic utility function for money
was derived for each subject using lotteries with two equally...
Industrial operations are becoming more mechanized and
automated. The increasing complexity of work affects the proportion
of physical to mental effort which workers spend in the performance
of their jobs. Traditional work measurement techniques which are
primarily designed to measure the individual's physical load have to
be complemented with other...
An extensive literature survey investigated methods and approaches
for evaluating intangible economic factors at the strategic
and tactical levels of managerial decision making. These sources
provided: 1) the background for a theoretical decision making
algorithm developed for comparing alternative economic proposals
for effectiveness at the strategy levels, and 2) a...
Facility location studies involve the selection of a preferred
course of action from an array of multiattributed alternatives. The
factors affecting this selection are defined in both quantifiable and
qualifiable terms. The former comprises primarily monetary or operational
data, and the latter consists of nonmonetary and environmental
parameters; where the...
Economic Scheduling Path (ESP) is an extension to the Critical
Path Method. It was developed by Professors Riggs and Inoue of
Oregon State University to effectively optimize resource utilization
in repeated projects.
This paper summarizes the Economic Scheduling Path terminology,
ladder network representations, algorithms, and progress
charts as originally presented...
Uncertainty of the magnitude of merge bias in PERT networks
has long been of concern to the users of this technique. A simple
rule to determine the magnitude has since posed a problem. The
purpose of this thesis was to develop empirical rules to correct the
time estimates of cumulative...
The purpose of this study is to develop
a workable plant layout
evaluation technique incorporating adequate
definitive measures of
intangible plant layout considerations.
A summary and critique is
given of existing evaluation methods. A
quantitative evaluation index
(QEI) is proposed to remedy the described
deficiencies.
The proposed index can be...
The problem of deciding exactly how to allocate a limited amount
of capital resources among competing investment alternatives in order
to provide the greatest economic benefit to the business enterprise has
been a subject of interest for nearly a century. Many decision models
and methods for evaluation and comparison of...
The purpose of this study is twofold; first, to describe and
analyze the most significant problems encountered by managers of
manufacturing plants in developing countries. American managerial
techniques are taken as basis of comparison. Second, to suggest
approaches and points of view which can be useful to managers and
students...
This thesis is a study of certain costs relevant to the repair of
process line equipment. A specific production configuration is studied
through computer simulation and statistics. The significance of the
simulated costs are investigated and related to practical production
problems.
Costs relevant to the "permanent repair" of production equipment...
This study deals with intergenerational differences in the
industrial environment. Rapid changes in our social and technological
society suggest the characteristics of dogmatism and trust as possible
indicators of differences between practicing professionals and upper
division university students.
Each subject's reaction to change was measured through administration
of Rokeach's Dogmatism...
The purpose of this study is to investigate the direction of future
Korean industrial engineering education and to suggest how U.S.
experiences can guide Korean developments. The leading indicator
concept, correlation coefficients are utilized.
The following statistical relationships were developed and the
following educational and practical industrial engineering trends in...
This study was concerned with the estimation of transition probabilities
in a finite state Markov-type student flow model. Goals
setting for this study were three in number: (1) Study of the methods
which will provide conclusions that (a) the transition probabilities
are stationary or nonstationary and (b) the process is...
This thesis develops a model for locating field offices for the
Motor Vehicles Division of Oregon. The locations are determined by
minimizing the total cost to the Public. This is reasonable because
the Public finances the operation and the opening of the offices
through tax dollars, and it bears the...
This thesis develops a cost model for short-term, non-federal,
general hospitals through a regression analysis of data from a sample
of D. S. hospitals. The analysis examines the impact various factors have
on hospital costs as measured by the cost per patient. The results contradict
the beliefs of other researchers...
In this study, three main issues are discussed: possible bias
arising when inflation effects are neglected in engineering economy
studies, capital projects authorization forms which are not designed
to include inflation effects in the calculations,'and the introduction
of a new graphical technique for capital expenditure sensitivity
analysis.
Approaches are described...
The traditional and the unit dose pharmacy distribution system
were compared to determine which one, in thd opinion of hospital
pharmacists and administrators, is best suited to the needs of hospitals
of less than 200 beds.
The comparison was made by having the pharmacists rate the
alternative distribution systems on...
The use of logistic-type growth curves in the prediction of future engineering manpower utilization patterns is a viable technique. When a work environment consists of a large number of repetitive type project the use of regression analysis and Weibull curve shapes gives a reliable forecast of the time-phased utilization of...
The intent of this study was to survey opinions of
producine managers and industrial engineers concerning
several aspects of productivity. The survey was conducted
by means of a questionnaire. The number of questionnaires
administered was 540. Useful responses were 145 (27%).
In addition to English, there were versions of the...
The purpose of this study was to determine whether knowledge
beneficial to an organization operating under normal conditions could
be gained by studying a manufacturing plant operating with salaried
personnel during a labor strike. It was hypothesized that no difference
in productivity would exist between the strike work force study...
A sinking fund payment must be made each year to
retire a bond issue. Instead of paying cash, the corporation
will typically surrender bonds that it has purchased
on the open market. The sinking fund problem is to
determine an optimal strategy in the form of a stopping
rule to...
A unique team productivity raining program was developed and
implemented for Electro-Scientific Industries, Inc. (ESI). This program
was designed to train shop floor workers in teamwork skills and traditional
industrial engineering techniques. In this way, problem-solving
tools are available to the hourly manufacturing worker for use
in improving communications, quality,...
The slow productivity growth of American organizations in comparison to that of other industrialized nations is, nowadays, causing great national concern. The time has come when traditional industrial practices must give way to innovative procedures more compatible with current business-world conditions. Among others, current managerial
practices seem to need urgent...
The United States is becoming a service oriented nation. As
increasing amounts of the gross national product are spent on services,
it becomes vitally important to ensure the productivity of these
services. The purpose of this thesis is to identify which elements are
needed in a service department productivity measurement...
Interfirm comparisons are used internationally to provide productivity
measurement systems. These systems indicate changes in productivity.
The development of interfirm comparisons in Britain,
Australia, and Canada is discussed. Interfirm comparisons have also
been conducted in the United States under the auspices of various
trade associations. However, in the United States...
The issues featured in this study are the vulnerability to inflation of several depreciation methods allowed by the Internal Revenue Service (straight-line, sum-of-the years and declining balance), possible consequences when depreciation allowances are based on historical cost and are not updated to price level changes, two proposals under national consideration...
Based on the premise that interfirm comparison can be an effective
productivity improvement tool, productivity interfirm comparison (PIC)
methods are examined in this research. The first part is an extensive
literature review regarding the conventional interfirm comparison (IFC)
scheme accepted widely in many countries outside the United States.
Then, the...
Although some of the most difficult problems in forest management occur as a result of timber harvest operations, present methodology in harvest planning emphasizes guidelines which rely heavily upon the experience of the individual forest manager for their correct application. This study was undertaken in an effort to develop a...
It is the hope and expectation of many specialists in the area of linear programming that a major improvement in solution techniques for handling large-scale models with thousands of constraints will be developed in the near future. Although the present state of the art for solving linear programs is still...
Public Law 94-142, passed in 1975, mandated that all children receive a free and
appropriate education regardless of the extent of their handicapping condition. Handicapped
students were to be educated in the "least restrictive environment" possible. Placing handicapped
students in regular classrooms has been termed "mainstreaming." Mainstreaming has produced
concerns...
The purpose of this study was to examine the mid-life period of
women's lives. It attempted to determine if this time is generally one of crisis, or more commonly a period of smooth transition. Furthermore, it attempted to determine if there is a typical pattern of emotional concerns experienced by...
Nature of the Phenomenon
The primary purpose of this investigation was to determine if the
predisposition of counselor candidates on selected factors found to be
associated with effective counseling, upon entering a counselor education
program, was predictive of effective counselors at the end of that
program.
Hypotheses
Two central hypotheses...
Statement of the Problem
The primary purpose of this investigation was to determine
if a valid and reliable assessment instrument could be
developed to measure the cultural competence of counselor
trainees.
Hypotheses
Five hypotheses were generated to establish the reliability
and validity of the instrument. The instrument consisted
of two...
The principle purpose of this study was to determine
the effectiveness of human relations-sensitivity training on
the self concept of low income high school students. The
sample group consisted of 47 low income high school students
attending the 1978 Summer Upward Bound program at Oregon
State University. Participants were randomly...
Through the development of a Values Questionnaire this
study examined the relative importance of values in
multinational settings. The Values studied were Respect,
Power, Intelligence, Wealth, Skill, Health, Human Kindness, and
Love. The person-centered approach was selected as a particular
social science community for the focus of the study.
Ninety-two...
The purpose of this study was to determine whether there is a
relationship between identity achievement and Christian religious
ideology in selected university students attending Oregon State
University.
The sample consisted of two hundred and forty-nine students
enrolled during the winter quarter 1978 in Psychology and Education
courses. The respondents...
The purpose of this study was to determine if male and female
Counselor-Trainees enrolled in master's degree programs in the
State of Oregon would emit significantly different responses to a
new and professionally developed video-based client simulation.
The sample consisted of ninety-two Counselor-Trainees
enrolled during the 1975-76 academic year in...
This study examined the effects of a group treatment of Self-Instructional
Training (S.I.T.) with an institutionalized aged (65
or over) population. The purpose of the S.I.T. program was to
increase the positive content of speech elicited in a structured
social interaction. S.I.T., as developed for this study, followed
Meichenbaum's three...
The purpose of the study was to determine whether first-grade
children's participation in a counselor-led intervention strategy, Mother-Child
Communication Training (MCCT), would increase their responsible
behavior, as assessed by mothers and teachers. Sixty first-grade children
in one elementary school in Corvallis, Oregon, along with their mothers,
participated in the training...
This study investigated the job satisfaction of
elementary school counselors in the Pacific Northwest,
defined as Idaho, Oregon, and Washington. The purpose of
the study was to (a) describe current elementary counselor
characteristics, duties and functions; (b) determine the
overall level of job satisfaction of elementary school
counselors; (c) investigate...
The aim of this investigation was to develop an Adjustment Assessment Instrument for Omani College Students. The adjustment instrument items were constructed and grouped into academic, family, social and personal adjustment areas common to Omani college students. The content validity of the adjustment instrument was determined by utilizing two Delphi...
Thesis research focused on: 1) Water and fertilizer gradients
within the plant root zone, and effects of chemical and physical
gradients on Trichoderma harzianum populations. 2) Regulation of root
growth physically with permeable fabric containers and chemically with
copper compounds. 3) Effects of copper coatings for fabric containers
on Glomus...
Although chemical fungicides are commonly used to control fungal soil-borne
diseases of Easter lilies, Lilium longiflorum Thunb., in field production and
greenhouse forcing, cultural and biological controls may be alternatives or
complementary to chemicals for control of pathogens.
The influence of inoculations with beneficial, symbiotic, and biocontrol
microorganisms to enhance...
The closed insulated pallet system (CIPS) was evaluated for growth, yield, and
fruit quality of tomato genotypes with determinate growth habit. Plants were irrigated
with several levels of sodium chloride (NaCl) salinized water. Tomato growth and yield
were significantly greater in CIPS than in conventional surface-irrigated containers,
regardless of irrigation...
Predator-prey interactions, as measured by the consumption
and growth rates of a predator (Micropterus salmoides) and by the
observed activities of both predator and prey (Gambusia affinis),
were found to be sensitive to sublethal levels of ammonium chloride
(reported as unionized ammonia NH₃).
One bass and 15, 30, 60 or...
The purpose of this study was to determine the validity of MMPI scores that were estimated from CPI data. This was later expanded to encompass whether generally low California Psychological Inventory (CPI) t-scores below 25 were predictors of elevated actual Minnesota Multiphasic Personality Inventory (MMPI) profiles. The sample consisted of...
Anadromous salmonid populations in the Pacific Northwest have declined over the past 150 years. In 1999, wild spring Chinook salmon (Oncorhynchus tshawytscha) were federally listed as threatened within the Willamette Basin, OR. Currently, practices to restore wild populations in the upper Willamette Basin involve trapping wild adults at the base...
Thorough understanding of the mechanisms controlling the temperature structure in the surface mixed layer of the ocean and, in particular, accurate values of sea surface temperature are critical for properly parameterizing air-sea heat exchange and quantifying the amount of heat redistributed below the surface. It is however difficult to obtain...
Black liquor recovery boilers experience significant fire-side fouling problems due to the deposition of entrained particulate matter. Increased understanding of the mechanisms by which particles deposit on these surfaces will lead to more effective management of the resultant problems. There is some evidence which suggests that the sub-micron fraction of...
Allowable stresses in compression perpendicular to the grain (C-perp) have been too conservative for most structural uses. This study develops stress data for deformations beyond the proportional limit (PL), up to 0.1 inch for hem-fir. Fifteen boards from four western states were cut into small specimens representing three ring angle...