Cattle grazing and invasion by non-native plant species are globally-ubiquitous changes occurring to plant communities that are likely to reverberate through whole food webs. We used a manipulative field experiment to quantify how arthropod community structure differed in native and non-native California grassland communities in the presence and absence of...
There is no article of food more commonly used
in all parts of the world than the egg. It can be
served in so many ways and has such a high nutritive
value that it is universally used as a food, by the
uncivilized native as well as the most...
Western forests have become increasingly fragmented landscapes dominated by young stands. Given that western Oregon forests largely consist of headwater systems, there is a need to better understand how headwater forest taxa and their habitats are impacted by forest management practices. Several amphibian species associated with forested headwater systems have...
The purpose of this study was to statistically evaluate the
influence of student placement at reading level by means of an informal
reading inventory in one kind of elementary science materials. The
materials were written at five levels of reading difficulty to better
meet the reading ability spread found in...
The purpose of the study was to prepare and statistically
evaluate a series of 11 history of science case studies designed to
teach the following abilities involved in scientific thinking:
1. Recognizing problems, hypotheses, experimental conditions,
and conclusions.
2. Understanding the relationship of evidence to hypotheses.
3. Understanding experimental conditions...
Purpose: The purpose of this study was to determine statistically the
effects of an automated science curriculum on the science learnings
of eighth grade students. This curriculum involved the use of
Keysort cards as a flexible handbook for teachers and included in
the directions for use a teaching method which...
This investigation was designed to provide information about
applicants to Academic Year Institute Programs at Oregon State
University.
The study involved both acceptees and rejectees for the 1957-58, 1958-59, 1959-60, 1961-62, and 1962-63 Academic Year Institutes.
Only acceptees for the 1960-61 year were included. The population
for the study included...
