Two experiments examined the comprehension of singly and multiply negated sentences. Difficulty of comprehension was measured by the speed and accuracy with which subjects judged the semantic reasonableness of sentences. Marked and negatively prefixed adjectives were a particular focus of the study. (Author/RM)

Three- and four-year-old children were tested in their comprehension of locative prepositions. Results showed that those prepositions characterized as positive were comprehended less well than their ostensibly negative counterparts, contrary to theoretical predictions. An explanatory hypothesis concerning children's developing spatial…

The focus of the study reported here was to investigate people's comprehension ability as a function of the number and type of negations embedded within sentences similar to those which might appear as premises in syllogisms. The subjects were one group of 11 Hispanic and four groups of Anglo students, with 15 in each Anglo group. Thirty-two…

Analyzes the results of a 1975 study of a 12-year-old Spanish speaker with regard to his acquisition of negation in English. The hypothesis of formulating/testing second language learning is reaffirmed with an alternate explanation of variation in syntactic forms. Results show that free variation is functionally determined. (LMO)