Two commonly used test types to assess vocabulary knowledge for the purpose of reading are size and levels tests. This article first reviews several frequently stated purposes of such tests (e.g., materials selection, tracking vocabulary growth) and provides a reasoned argument for the precision needed to serve such purposes. Then three sources of…

Children who know fewer words in preschool typically continue to have lower levels of vocabulary knowledge in higher grades than their peers who know more words. In fact, this difference continues to be pronounced and even widens as these children reach higher grade levels. Interventions that support vocabulary development and reading…

Children who know fewer words in preschool typically continue to have lower levels of vocabulary knowledge in higher grades than their peers who know more words. In fact, this difference continues to be pronounced and even widens as these children reach higher grade levels. Interventions that support vocabulary development and reading…

The importance of early vocabulary development to later reading comprehension has been well-established. However, there have been a number of criticisms that the assessments typically used to measure oral vocabulary knowledge do not adequately capture the complexity of this construct. This conceptual review works towards a more robust theoretical…

Teachers can capitalize on the overwhelmingly visual nature of contemporary society for learning and teaching through integrating photography in their classroom instruction. In offering an alternative pathway for acquiring and expressing knowledge, photography has the potential to strengthen instruction across disciplines by drawing on multiple…

There have been great strides made in research on vocabulary in the last 30 years. However, there has been relatively little progress in the development of new vocabulary tests. This may be due in some degree to the impressive contributions made by tests such as the Vocabulary Levels Test (Nation, 1983; Schmitt et al., 2001) and the Word…

We examined whether preschoolers' ontological knowledge would influence lexical extension. In Experiment 1, four-year-olds were presented with a novel label for either an object with eyes described as an animal, or the same object without eyes described as a tool. In the animal condition, children extended the label to similar-shaped objects,…

Adolescents may struggle with text for a number of reasons, including problems with a) vocabulary knowledge, b) general knowledge of topics and text structures, c) knowing of what to do when comprehension breaks down, or d) proficiency in monitoring their own reading comprehension. Most recent literacy initiatives target younger readers and…

Within a response to intervention (RTI) framework, students are typically identified as "academically at-risk" if they score below a specified cut-point on a benchmark screener. Students identified as at-risk are provided with an intervention intended to increase achievement. In the following technical report, we describe a process for…

The aim of this study was to investigate vocabulary knowledge and growth across two different language-learning programmes in Hong Kong. The two programmes compared were English immersion programmes (IM) and regular English second-language programmes (RL2). While previous research has identified an overall advantage to IM with respect to language…

The purpose of this study was to compare 2 methods for directly teaching word meanings to kindergarten students within storybook read-alouds that varied in instructional time and depth of instruction along with a control condition that provided students with incidental exposure to target words. Embedded instruction introduces target word meanings…

In this article, the author talks about "Developing Early Literacy," the report of the National Early Literacy Panel. The panel, which consisted of nine experts, was convened by the National Institute for Literacy to synthesize the research on the development of literacy from birth through age 5. Over the eight years of their work, only 190…

Although the Word Associates Format (WAF) is becoming more frequently used as a depth-of-knowledge measure, relatively little validation has been carried out on it. This report of two validation studies tackles various important WAF issues yet to be satisfactorily resolved. Study 1 conducted introspective interviews regarding students' WAF…

This study investigates developmental trends in acquiring knowledge of radicals, radical perception skills, and skills in applying knowledge of radicals among nonnative learners of Chinese across learning levels. It also examines the relationship between the acquisition of radical knowledge and the development of radical perception and radical…

The ability of school children (N = 233) to acquire new scientific vocabulary was examined. Children from two age groups (M = 4.8 and M = 6.5) were introduced to previously unknown words in an educational video. Word knowledge was assessed through accuracy and latency for production and comprehension over a 9-month period. A draw and write task…