Differences in Educational Level and Subject Matter Difficulty in the Use of Compressed Speech With Adult Military Students

Abstract

In this study, academic lectures were delivered to control groups in a normal auditorium setting while experimental groups heard lectures on the same material compressed to about 250 words per minute. All students were U.S. Air Force personnel. Both officer and noncommissioned officer groups were subjected to treatment. Two separate academic lectures were employed and subsequent data were placed in a 3-way analysis of variance de sign. It is concluded that, for these data, there are no significant differences attributable to treatment (students learn equally well from either mode). Significant effects are found with respect to military rank (officers being more successful than NCO's). There is an interaction between rank and subject matter and a more complex interaction among treatment, rank and subject matter.

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