The major purpose of the present study is to examine the effect that an unknown word has on the oral reading of second grade children. Specifically, the study is concerned with the possible increased probability of error on words that are in close proximity to an unknown word. Additionally, the study examines the degree of disruptiveness created by unknown words in different grammatical positions, and the degree of disruptiveness of various types of unknown words.
Miller, J. W. (1975). Disruptive Effect: A Phenomenon in Oral Reading. Reading Horizons, 15 (4). Retrieved from http://scholarworks.wmich.edu/reading_horizons/vol15/iss4/3