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Dissertation Information for Barbara Jean (Ferrier) Dompa

- Barbara Jean (Ferrier) Dompa

- Ph.D.

- Library and Information Science

- Case Western Reserve University (USA) (1975)

- Patricia Goheen

- Conrad H. Rawski
- Winfield G. Doyle
- Thomas Gleason Morris

MPACT Status: Fully Complete

Title: A system for selecting media for school library collections based on the matching of task, stimulus, and learner variables

Tnis study was undertaken for the purpose of designing and testing an instrument which can be utilized in identifying media t~at are wost appropriate for tran5mitt~ing knowledge in a representational form required by a particular l~rner to master a particular task. The instrument identified as the D-model was designed using a systems approash which incorporated three components: task, stimulous., and learner. The hierarctical arrangement of elements within each component permits an analysis of the inter-
relationship of the task and learner variables to enable the
identification of stimulus selection possibilities. The stimulus
selection depepds on the particular intersection between the task
variable and the learner variable on a matrix. The matrix incorporates the elements for each component arranged on a continuum
from that which provides for direct, concrete experience to that
which provides for indirect, abstract experiences.
The procedure involved in utilizing the D-Modei requires
the examination of objectives identified in the instructional
program to ascertain the specific task to be mastered. The characteristics of the learner who uses the stimuli to acquire knowledge
of the task to be mastered are then analyzed. Once the specific
task has been identified and plotted on. the task axis and the characteristics of the learner identified and plotted on the learner
axis, the point of intersection of these two lines on the stimulus axis is used to identify the stimulus that is most appropriate for
transmitting the information. Once these decisions have been made,
specific media are selected from those identified for that partic~
lar stimulus category.

Three experiments were designed to test the effectiveness of the stimulus choices identified by the D-Model. Experiment I was designed to test hypothesis: There will be no significant difference between the stimulus choices identified by using the D-model and those identified by "experts" in the field. The results. reveal that the stimulus choices identified by using the
Model'are consistent with those identified by "experts"; and that although some differences did occur, these differences did
not constitute a rejection of hypothesis 1. Experiment II was designed to test hypothesis 2: There will be no significant difference between the stimulus choices identified by using the D-Model and those identfied in curriculum guides and textbooks.

The results reveal that the stimUlUS choices identified by using the D-Model are significantly different than those identified incurriculum guides and textbooks. To ascertain if these diffrences were due to a lack of available media in selection aids, a second analysis was undertaken. The results reveal that the lack of their inclusion in the curriculum guides and textes cannot be attributed to the nonavailability of media in the selection aids since media were available in all stimulus categories. Thus it is apparent that hypothesis 2 must be rejected. Experiment III was
designed to test hypothesis 3: There will be no significant difference
between the stimulus choices identified by novice librarians
using the D-Model and novice librarians using selection aids.
The a participating in this experiment were students enrolled in an undergraduate library science course at Edinboro State College. A two-way analySiS of variance performed on these data revealed a
significant difference between the results of the two groups in the
direction of greater gains for the group us ing the D-r<1odel. Thus
it is apparent that hypothesis 3 must be rejected.
The data from this study raise SUbstantial doubt as to the
effectiveness of relying on stimulus choices identified in curriculum,
guides and textbooks as a means for selecting media for a
school library collection that will support the instructional
program. Furthermore, there is some doubt as to whether this situation can be improved by selecting media by examining those stimuli
identified in selection aids. However, there is evidence to support
the use of an instrument designed by using a systems approach
such as the D-Model for identifying stimulus choices that will
support the instructional program.

MPACT Scores for Barbara Jean (Ferrier) Dompa

A = 0
C = 0
A+C = 0
T = 0
G = 0
W = 0
TD = 0
TA = 0
calculated 2008-01-31 06:00:59

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Students under Barbara Jean (Ferrier) Dompa

- None

- None