This study investigated the beliefs and classroom practices of four teachers who had used graphing calculators in their teaching for a minimum of three years prior to the study and at least one prior year in the teaching of second year algebra. The persistence criteria, prior experience utilizing graphing calculators...
Since the management of family meals has been a major task
in most homes throughout the United States and because of its importance
to family members, this study was undertaken to examine
the management practices used by homemakers in preparing and
serving meals.
A questionnaire, developed by the researcher with...
Previous studies have indicated that roots from five tree species (Picea sitchensis, Tsuga heterophylla, Pseudotsuga menziesii, Pinus ponderosa, and Pinus contorta) decompose at different rates across an environmental gradient in Oregon. Measurements of wood chemistry from each tree species as well as moisture and
temperature from each location do not...
The purpose of this study was to investigate the relationship
between specific mother-child interactions and selected aspects of
language development in "disadvantaged" children.
The subjects were 19 preschool children in a summer Head
Start program in Denver, Colorado. Their ages ranged from four
years-nine months to five years-seven months. Eighteen...
In proteomic studies, separate experimental protocols have been necessary to identify proteins, determine their function, and predict their three-dimensional structure. In this study, a function-based separation of proteins was conceived to fractionate proteins prior to enzymatic digestion. In the initial demonstration of this technique, a DNA substrate was used to...
This study was designed (1) to identify and describe young
homemakers' problems through expressed difficulties in homemaking
activities, (2) to investigate the relationship between the expressed
problem areas and the homemakers' length of marriage,
family composition, employment status and family income, and
(3) to determine additional homemaking information young homemakers...
In this study patterns of shared family time in 210 two-parent,
two-child Oregon households were described. The relationship between
amounts of shared time and a number of family and environmental
characteristics was also researched.
The study used the Oregon data from a contributing project of
the Northeast Regional Research Project...