# Browse Graduate Dissertations and Theses at Illinois by Title

• (2004)
The flexible forms of nonparametric IRT models make test equating more challenging. Though linear equating under parametric IRT models is obvious and appropriate, it might not be appropriate for nonparametric models. Two ...

application/pdf

PDF (3MB)
• (2006)
In recent years, comparisons between computerized adaptive tests (CAT) and paper-and-pencil tests (P&Ps) have focused less on equivalency and more on the construct validity of shifting between the modalities. Examinee ...

application/pdf

PDF (5MB)
• (2008)
Computerized adaptive testing (CAT) has become a very important testing mode since it was introduced into the testing field in the early 1970's. It has clear advantages over the traditional paper-pencil testing in many ...

application/pdf

PDF (1MB)
• (1990)
A production seed corn dryer was instrumented and software was developed that enabled a personal computer to collect and record data. Alarms were signaled if the data exceeded pre-established limits. Airflow rate and average ...

application/pdf

PDF (7MB)
• (1985)
Everyone agrees that the fulfillment of a human need or desire is the first objective for any engineering design project. But, keeping the product working for the prescribed design lifetime is as important as producing a ...

application/pdf

PDF (5MB)
• (1990)
A case study and a national survey focused on issues related to training classroom teachers to use computers. A magnet middle school, with a substantial at-risk student population, received a major grant of hardware and ...

application/pdf

PDF (8MB)
• (1996)
The need to develop a learning model for processing information in a computer-based learning environment led the researcher to undertake this study. The purpose was to develop a taxonomy of student questions for determining ...

application/pdf

PDF (3MB)
• (2001)
The thesis also gives algorithms for computing the theoretically defined measures or structures in each case. Using persistence, we may distinguish between topological noise and features of a space. This differentiation ...

application/pdf

PDF (10MB)
• (1998)
The three sites I have chosen to focus on--composition classrooms, a corporate software publisher, and a community network--follow my own scholarly progression. All three sites illustrate that to question subjectivity ...

application/pdf

PDF (13MB)
• (2008)
Finally, we examine a more fundamental homotopy problem in a different setting. A Rips complex is a simplicial complex defined by a set of points from some metric space where every pair of points within distance 1 is ...

application/pdf

PDF (2MB)
• (1986)
This thesis reports the development of some methods intended to facilitate higher-order perturbative (strong-coupling) calculations in the Hamiltonian form of lattice quantum chromodynamics. In particular, a simple ...

application/pdf

PDF (4MB)
• (2005-10)

application/pdf

PDF (4MB)
• (2017-07-11)
A functor from finite sets to chain complexes is called atomic if it is completely determined by its value on a particular set. We present a new resolution for these atomic functors, which allows us to easily compute their ...

application/pdf

PDF (441kB)
• (2013-02-03)
Let $P_m$ and $D_m$ be the $m^{th}$ level and layer of the Goodwillie-Taylor tower for discrete modules. In \cite{intermont_johnson_mccarthy08} the rank filtration of $D_1F$ is described and the associated spectral sequence ...

application/pdf

PDF (741kB)
• (2011-01-14)
Relationships make social media social. But, not all relationships are created equal. We have colleagues with whom we correspond intensely, but not deeply; we have childhood friends we consider close, even if we fell out ...

application/pdf

PDF (14MB)
• (1997)
There is an inherent 180$\sp\circ$ ambiguity in the derived wave propagation direction when using conventional spectral analysis techniques on OH imager observations. A processing technique for computing the unambiguous ...

application/pdf

PDF (3MB)
• (1997)
While the concept of honor is one that usually evokes images of dramas from the Golden Age in Spanish literature, it is also a deep vein which has run through the culture of Spain for centuries. Critics who have considered ...

application/pdf

PDF (10MB)
• (1978)

application/pdf

PDF (2MB)
• (2013-05-24)
The health care system in the United States has experienced drastic changes in the recent past. Continuously growing pressures to control health care costs and the increasing corporatization of health care are changing ...

application/pdf

PDF (2MB)
• (1991)
Greenhouse experiments on allelopathy and autotoxicity of 'WL-316' alfalfa (Medicago sativa L.) indicated that plant height and fresh weight of alfalfa, and fresh weight of 'DK-38' sorghum (Sorghum bicolor (L.) Moench) ...

application/pdf

PDF (3MB)