Index Catalog // ScholarsArchive@OSU

The taxonomy of the genus Hysterangium (Basidiomycotina, Hysterangiaceae) with notes on its ecology

Creator:: Castellano, Michael Angelo
Abstract:: Hysterangium, a genus of hypogeous Basidiomycotina (false truffles) is commonly placed in the Hysterangiaceae and ascribed affinities to the Phallales. It is a large genus among hypogeous taxa and is commonly collected in large numbers in eastern and western North America, Australasia and Europe. Some Hysterangium species are dominant components...
Resource Type:: Dissertation

Determining competencies for an educational research masters degree program in Venezuela

Creator:: Cárdenas, Humberto, 1948-
Abstract:: The purpose of this study was to determine the competencies necessary to conduct educational research in the Venezuelan context; to determine if differences exist among Venezuelan educators in responding to the questionnaire; to determine which clusters of skills and under standings are relevant to an educational research master's degree; to...
Resource Type:: Dissertation
Full Text:: Determining competencies for an educational research masters

A survey of research tasks required by secondary school counselors, State Department of Education professionals, & college & university faculty in Oregon

Creator:: Soukup, Margaret A.
Abstract:: This study determined the importance of specific research tasks to the present job requirements of State Department of Education professionals, college and university instructional faculty, and secondary school counselors in Oregon. The instrument utilized in the research was designed and validated through a Delphi process. The computed reliability coefficient was...
Resource Type:: Dissertation
Full Text:: A Survey of Research Tasks Required by Secondary School

Oxytocin synthesis and release by the bovine corpus luteum

Creator:: Abdelgadir, Salaheldin Eltigani
Abstract:: Four experiments were conducted to determine oxytocin concen tration of bovine luteal tissue at different stages of the estrous cycle and to study the effects of prostaglandins F₂α (PGF₂α), E₂ (PGE₂), luteinizing hormone (LH), cycloheximide, colchicine and cytochalasin B on oxytocin synthesis and release in vitro. In experiment 1, luteal...
Resource Type:: Dissertation
Full Text:: to Dr. Fred Stormshak for allowing me to undertake this research in his laboratory under his advice

Factors affecting attitudes toward premarital violence

Creator:: Emery, Beth C.
Abstract:: There has been much interest generated recently regarding the nature and cause of dating violence. The purpose of this study was to determine what factors affected individuals' attitudes toward dating violence. A sample of 403 college volunteers completed questionnaires which were designed to assess their attitudes toward abuse as it...
Resource Type:: Dissertation
Full Text:: vignette to determine the extent of their influence on attitudes toward the abuse. The research design

Norbert Wiener and the growth of negative feedback in scientific explanation : with a proposed research program of "cybernetic analysis"

Creator:: Hellman, Walter Daniel
Abstract:: Negative feedback has become ubiquitous in science both as a technique and as a conceptual tool. As a technique, negative feedback has a long history; devices based in its use were made in antiquity. It has only been during the last century, however, that rigorous quantitiative methods have become associated...
Resource Type:: Dissertation
Full Text:: SCIENTIFIC EXPLANATION; WITH A PROPOSED RESEARCH PROGRAM OF "CYBERNETIC ANALYSIS" by Walter Daniel Hellman

Ecomomic theory and research framework for a multi-output production system : rice-fish culture technology in the Philippines

Creator:: Tagarino, Rogelio N.
Resource Type:: Dissertation
Full Text:: . However, a comprehensive technology assessment research framework is developed ECONOMIC THEORY AND

Influence of irrigation and plant population on yield parameters, flower and pod abscission, and photosynthate distribution in snap beans, Phaseolus vulgaris L.

Creator:: Mauk, Craighton Stiles
Abstract:: During 2 seasons effects of high and low irrigation (water applied at -0.6 and -2.5 bars soil water potential, respectively) and density were evaluated on yield parameters and flower/pod development at mainstem nodes 2 and 6 (terminal) of 'Oregon 1604', a determinate snap bean. High and low plant densities were...
Resource Type:: Dissertation
Full Text:: more distal raceme nodes (RN) within an inflorescence. There was an acropetal de- cline in yield

Case studies of red alder and Sitka alder in Douglas-fir plantations : nitrogen fixation and ecosystem production

Creator:: Binkley, Dan
Abstract:: Seven case studies of 11 ecosystems were used to examine the effects of nitrogen-fixing alders in Douglas-fir plantations. The first case study quantified nitrogen (N) fixation and aboveground net primary production in a young Sitka alder [Alnus sinuata (Regel) Rydb.] ecosystem. At 5 yr of age, the N fixation (C₂2H₂...
Resource Type:: Dissertation
Full Text:: FOREST RESEARCH LABORATORY OREGON STArE UNWERSI1Y Case Studies

Geographic variation in central Oregon ponderosa pine (Pinus ponderosa Laws.) : seed germination; seed, wing, and cone morphology; seed color

Creator:: Weber, John C., 1948-
Abstract:: Geographic variation was investigated among 225 locations from five geographically disjunct regions in central Oregon. Characters included: germination speed and uniformity in two test environments differing in stratification period and incubation temperature; weight, three dimensions and three 'angles' of seeds; weight and three dimensions of wings; cone length and scale...
Resource Type:: Dissertation
Full Text:: larger research effort, supported by the U.S. Department of Agriculture Forest Service and guided by

ScholarsArchive@OSU

The taxonomy of the genus Hysterangium (Basidiomycotina, Hysterangiaceae) with notes on its ecology

Determining competencies for an educational research masters degree program in Venezuela

A survey of research tasks required by secondary school counselors, State Department of Education professionals, & college & university faculty in Oregon

Oxytocin synthesis and release by the bovine corpus luteum

Factors affecting attitudes toward premarital violence

Norbert Wiener and the growth of negative feedback in scientific explanation : with a proposed research program of "cybernetic analysis"

Ecomomic theory and research framework for a multi-output production system : rice-fish culture technology in the Philippines

Influence of irrigation and plant population on yield parameters, flower and pod abscission, and photosynthate distribution in snap beans, Phaseolus vulgaris L.

Case studies of red alder and Sitka alder in Douglas-fir plantations : nitrogen fixation and ecosystem production

Geographic variation in central Oregon ponderosa pine (Pinus ponderosa Laws.) : seed germination; seed, wing, and cone morphology; seed color

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