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Evaluation of the impact of the University of Canberra library's CD-ROM hands-on instruction program : an experimental studyRamaoka, Elizabeth, n/a January 1995 (has links)
This experiment was designed to investigate the effectiveness of the CDROM hands on instruction program provided by the University of Canberra library by comparing it with demonstration only sessions and a
group that received no instruction at all. The results indicated that the
hands-on instruction program evaluated did not prove to be superior to a
demonstration in providing students with necessary skills to search CDROM
databases. A sample of 98 novice users enrolled in Research Skills
were randomly allocated to three groups. The first group received hands
on instruction on CD-ROM searching. The second group watched a
demonstration using a liquid crystal display. The third group acted as a
control group and received no instruction. Each group conducted a search
on three pre-determined questions.
The experiment was conducted in three stages. The first stage was a pretest
in which students searched the three search questions. The second
stage was instruction. Two groups of students were instructed, either
hands on or demonstration. The final stage was a post-test which involved
searching the three questions used in the pre-test.
The following databases were used in the study: ERIC, MEDLINE and
Sports Discus. The results were measured in terms of a number of search
terms used, number of retrieved records, number of Boolean operators
used, and a appropriate choice of a database. The statistical significance
level among the groups was tested by the means of the technique of oneway
analysis of variance to test The F test was used to compare differences
between the different groups.
The results of this experiment indicated that groups of students instructed
on either method of instruction, hands-on and demonstration, performed
significantly better than the control group. However, there was no
significant difference between the two methods of instruction. This
research confirms the need for CD-ROM instruction for novice users if
CD-ROM databases are to be used effectively by students. Furthermore,
this result shows that demonstrations can be used as alternative methods
of instruction.
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