Millions of adults in the United States lack the necessary literacy skills for most living wage jobs. For students from adult learning classes, we used a lexical decision task to measure their knowledge of words and we used a decision-making model (Ratcliff's, 1978, diffusion model) to abstract the mechanisms underlying their performance from…

To compare the efficacy of instructional programs for adult learners with basic reading skills below the 7th-grade level, 300 adults were randomly assigned to 1 of 3 supplementary tutoring programs designed to strengthen decoding and fluency skills, and gains were examined for the 148 adult students who completed the program. The 3 intervention…

This paper presents findings from a study conducted by the Community College Research Center (CCRC) at Teachers College, Columbia University, on the outcomes of the Integrated Basic Education and Skills Training program (I-BEST), developed by the community and technical colleges in Washington State to increase the rate at which adult basic skills…