Janet G. Marquis

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Children with specific language impairment (SLI) are known to have limited lexicons. Previous studies implicate a possible processing problem, in the form of a limited ability to comprehend new words in settings that require Quick Incidental Learning (QUIL). This study investigates further the factors contributing to limited QUIL by examining the effects of(More)
Mixed modeling was used to examine longitudinal changes in linguistic ability in healthy older adults and older adults with dementia. Language samples, vocabulary scores, and digit span scores were collected annually from healthy older adults and semiannually from older adults with dementia. The language samples were scored for grammatical complexity and(More)
In this qualitative inquiry we investigated the conceptualization of family quality of life. Focus groups and individual interviews were conducted with 187 individuals: family members (e.g., parents, siblings) of children with a disability, individuals with a disability, family of children without a disability, service providers, and administrators. Data(More)
OBJECTIVE To examine qualitatively the experiences of parents participating in Parent to Parent programs. METHOD Twenty-four parents of children with special needs, a subset of subjects in a larger quantitative study, participated in a semi-structured telephone interview to explore the impact and meaning of being matched with a trained supporting parent.(More)
In this paper we add to what is known about the tense-marking limitations of children with specific language impairment (SLI) by exploring the acquisition of regular and irregular past tense, encompassing the age range of 2;6 to 8;9 (years;months) and comparing the performance of 21 children with SLI to that of 23 control children of the same age and 20(More)
The relationship between early maternal responsivity and later child communication outcomes in young children with fragile X syndrome was investigated. Data were obtained from 55 mother-child dyads over a 36-month period. Performance data were obtained at each measurement point from video observations of four different contexts. These were coded for (a)(More)
The efficacy of the atypical antipsychotic risperidone was evaluated in the treatment of aberrant behavior (e.g., aggression, self-injury) in 20 individuals with developmental disabilities. A double-blind, crossover design was used to compare risperidone with placebo in a 22-week trial with a 6-month follow-up phase. Based on a 50% reduction in mean(More)
BACKGROUND Increasing emphasis on family-centred approaches to services and supports for families of children with disabilities has surfaced the issue of accountability for family outcomes. We present a review of literature about the impacts of children with disabilities on families as a backdrop to proposing family quality of life as a concept that(More)
This study reports on a comparison of the use and knowledge of tense-marking morphemes in English by first language (L1), second language (L2) and specifically language-impaired (SLI) children. The objective of our research was to ascertain whether the L2 children's tense acquisition patterns were similar or dissimilar to those of the L1 and SLI groups, and(More)
BACKGROUND The concept of family quality of life (QoL) has emerged as an important outcome of service delivery for individuals with disabilities and their families. The present study describes the process of developing a tool to measure family QoL. METHODS AND RESULTS A total of 1197 respondents participated in a national field test. Through factor(More)