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Professional Literature |
PROFESSIONAL LITERATURE
A search of the professional literature to determine the effectiveness of
reciprocal teaching yielded approximately 30 studies that explicitly used
the words reciprocal teaching in the title and referred to the
four reading comprehension strategies introduced by Palincsar and Brown
some 18 years ago. Most of the studies included (1) description of the strategy,
(2) rationale for its use, (3) what students learn from each of the four
strategies within reciprocal teaching, and (4) an assessment of academic
achievement.
DESCRIPTION
Reciprocal teaching is described in the professional literature, as an instructional
strategy designed to improve reading comprehension in students who have
difficulty understanding what they read. The focus is upon four concrete
strategies: questioning, summarizing, clarifying and predicting. The students
learn and practice each of these strategies which they subsequently apply
to the reading of new text.
During the early phases of reciprocal teaching, the teacher assumes the
major responsibility of the text being read, by explicitly modeling the
four learning strategies. Then, paragraph by paragraph, students practice
the strategies, with the teacher providing feedback to the students and
continuing to model and explain the strategies. At a point when the teacher
believes that the students need less coaching, students practice the process
in small heterogeneous groups.
One student asks questions, another answers and a third comments on the
answer; one student summarizes and another comments on or helps to improve
the summary; one student identifies a difficult word and the other students
help to infer the meaning and give reasons for the inferences they made.
(Rosenshine and Meister, 1994)
RATIONALE
The concept of students providing support for one another, the additional
conceptof expert support as students begin a task, and the gradual fading
of the teacher's support
are the foundation for reciprocal teaching. Embodied in these concepts is
what is referred to as expert scaffolding. In expert scaffolding the expert/teacher
provides support for the new learning but as the students' competence increases,
the teacher's support diminishes (i.e., just as a scaffold-an adjustable
and temporary support- is gradually removed from a building when it is able
to support its own weight).
THE VALUE OF THE FOUR STRATEGIES
When students make predictions, they are calling up their prior knowledge,
which then extends understandings of what they are reading; the unknown
is understood by what is known. For example, the word "competition,"
usually known by students in the context of winning some sort of game, can
serve to help them understand a new concept, such as the "survival
of the fittest." Thus, prior knowledge is invaluable in that it provides
an interpretive base for understanding the new material. Seeking clarifications
helps students to monitor their comprehension difficulties and to search
out the content that is the most relevant and should be reread.
The strategy of asking questions clearly helps student to clarify what they
are reading. In the early phases of reciprocal teaching students' questions
are most often verbatim phrases from the text, but with practice, they are
more likely to be paraphrases of the main points of the text. Thus students'
generation of questions serves to promote an integration of the information
in the text to perform deeper processing of what they read, and to be aware
of when they do not understand the material.
Summarizing, obviously, is a clear indication of whether the material has
been understood. If students are unable to summarize, it is a strong cue
to the teacher to reprocess. Findings from the research suggest that the
ability to summarize is a measure of implementation and, also, a legitimate
measure of comprehension. As with questioning, research has indicated that,
after students have practiced the strategy of summarizing, their summaries
focus on the main ideas rather than the details in the text.
ASSESSED ACHIEVEMENT
The findings from a series of studies, across a range of elementary, middle
and high school levels, have confirmed the positive effects of reciprocal
teaching on reading comprehension. Palincsar experimented with reciprocal
teaching in several ways: (1) whole-group instruction, (2) small-group instruction,
(3) one-to-one tutorials, (4) small group sessions lead by peers. In each
situation, reading comprehension improved.
Rosenshine and Meister (Winter 1994), reviewed 16 studies on reciprocal
teaching and additional related studies, and found that on teacher-made
tests, students who had been engaged in reciprocal teaching made significantly
higher scores than students who had not, with a median effect size of .88.
When standardized tests were used, the median effect size was .32 favoring
reciprocal teaching. Based on mounds of encouraging findings, it can be
stated that reciprocal teaching does indeed increase students' ability to
comprehend what they read.
It is hard to realize that until the late 1970's and early 1980's, students
seldom were taught specific reading strategies. In 1979, a classic observational
study of reading compilation indicated that of the 4,469 minutes of grade
4 reading instruction, only 20 minutes were given to instruction in comprehension.
Teachers monitored the reading and directed recitation sessions but they
spent little time teaching comprehension strategies to their students. Thus,
it was not until about 18 years ago that students were taught specific comprehension
strategies, such as summarization and question generation. Reciprocal teaching
is in this tradition of these first reading comprehension strategies and,
further, is a major instructional strategy that helps readers interact personally
with the text and construct meaning as they increase in their ability to
ask questions, clarify hard parts, make predictions, and summarize what
they are reading.