Call number: LD2668 .T4 1984 K785 / Master of Arts

published_or_final_version / Community Medicine / Master / Master of Public Health

The educational plans of black high-school seniors over the past decade were examined and compared to the plans of white students by analyzing selected base-year data from The National Longitudinal Study of the High School Class of 1972 and High School and Beyond: A National Longitudinal Study for the 1980s. Chi-square was used to detect significant changes between survey years. Expectations to participate in post-secondary education were essentially the same for all black and white seniors between 1972 and 1980 though black expectations were greater. Among whites, women exceeded men in 1980. When levels of educational expectation were examined, significant differences were apparent for both races. Large declines occurred in the four-year college category though they were partially offset by increases in the graduate school category. Small increases also occurred among both blacks and whites in the community college category. No clear trends were seen in the vocational school category. Black expectations were greater than those of whites in the combined upper two categories with the most striking difference seen among low-aptitude and low-SES students. Immediate plans for two- or four-year college attendance changed significantly for both blacks and whites with more students indicating four-year preference in 1980. Overall, more blacks than whites planned four-year attendance in both survey years and the largest differences between races were found on the low- and middle-aptitude levels. Preferences for planned field of study also changed for both blacks and whites between survey years. The largest increase for both races occurred in the business category, with the next largest expansion appearing in engineering. The largest decreases occurred in education and the social sciences, with the downturn being greater among blacks than whites. Black and white seniors in the middle and upper-aptitude levels were more likely to select the biological and physical sciences, engineering, and social sciences while low-aptitude seniors were more likely to choose vocational studies, health-related studies, and education.

Autism is a lifelong handicapping disorder that occurs on a continuum of severity. Children who show mild autistic behaviors but do not meet the criteria for a diagnosis of autism are often called autistic-like, but it is not known if their development and functioning are similar to that of autistic children. A follow-up study was done on 35 autistic and autistic-like children who were an average of 3 years of age when initially seen. Initial test scores indicated that the children were similar on measures of intellectual/developmental functioning, receptive vocabulary, and adaptive functioning. Approximately 4 years later they were evaluated again. Using the Childhood Autism Rating Scale, the children were divided at follow-up into three groups: nonautistic, mildly/moderately autistic, and severely autistic. Most children made gains on intelligence tests and displayed a diminishing number of autistic symptoms. Changes in nonverbal intelligence, adaptive functioning and receptive vocabulary scores depended on group membership. The results are discussed in relation to the reported stability of cognitive functioning in young autistic children and the implications for clinical practice, early intervention, and research on attachment. The nature of the syndrome of autism is also discussed, particularly in its relation to the milder, atypical children. The superior follow-up status of the autistic-like as compared to the autistic children raises serious questions about including the two groups in the same syndrome.

Researchers have successfully labeled specific patterns of expressive language development as it appears in children developing language normally. Little research has identified particular patterns of expressive language in children who display expressive language disorders or delays. Longitudinal studies of expressively language impaired children indicate that linguistic, educational and social impairments exist long after the language impairment was first identified (Aram, Eckelman and Nation, 1984; Aram and Nation, 1980; Fundudis, Kolvin and Garside, 1979; Stark, Berstein, Condino, Bender, Tallal and Catts, 1984). If patterns of delayed or disordered language development are researched and possibly labeled in the early stages of language development, strategies for assessment and intervention can be made more efficient and the effects of early language impairment on later academic achievement may be prevented. The present study was part of the Portland Language Project, a longitudinal study of early language delay. Lee's Developmental Sentence Scoring (DSS) was used to attempt to identify syntactic patterns used by children exhibiting early language delay. The DSS is a standardized measure for analyzing children's standard English expressive language abilities in the following eight grammatical categories: 1) indefinite pronouns; 2) personal pronouns; 3) main verbs; 4) secondary verbs; 5) negatives; 6) conjunctions; 7) interrogative reversal; and 8) Wh-Questions. Using the DSS, specific syntactical areas of deficit can be identified by analysis of an audiotaped speech sample. A comparison of expressive language in the eight subcategories in the DSS was completed among three groups of preschool children; 1) children developing language normally (the NL group); 2) children who did not meet criteria for normal language development at 20 months, but later fell within the normal range of language development as measured by the DSS (Lee, 1974). This is referred to as the history of expressive language delay group (HELD); and 3) children who did not meet criteria for normal language development at 20 months and again, did not meet criteria for normal language development as measured by the DSS (Lee, 1974) at later ages. This is referred to as the expressive language delay group (ELD). The purpose of this study was to determine if significant differences exist in each of the eight subcategory group scores from the DSS between those children identified as expressively language delayed and those identified as developing language normally at ages three and four. At age three, significant differences were found among the three groups in all eight subcategory scores of the DSS. By age four, the significant differences were found between the delayed group and the normal developing group in the main verb category and the personal pronoun category only. There were no significant differences between the normal developing and the history of delay groups on any of the eight categories at age four. The delayed group exhibited marked improvement and narrowed the deficits in expressive language to a specific area of language. The present study suggested that children with early language delay appear to "catch up" with normal peers in most areas of syntactic production by age four. The DSS (Lee, 1974) provides information about specific areas of syntactic development. Due to the length and complexity of the DSS, it is not a tool that practicing clinicians often use. A study such as this may help the practicing clinician quickly screen a preschool child in a specific syntactic category, such as verb marking, in order to check for possible early language delay. In addition to providing clinical assistance, this study has opened up the door for future research in syntactic development. This study could be expanded to examine the specific verb markers that are being used by the delayed subjects. This may lead to more efficient identification and remediation of early language delays.

The contemporary research suggests that some children who present with early language delays as toddlers outgrow their delays while others continue to develop long-term language difficulties. Several studies over the years have focused on factors that might aid in predicting the outcome of late talkers. This current study emphasized exploring gender as a possible predictive factor. The purpose of this study was to determine if significant differences exist in the rate of growth in language skills, as indexed by scores on the Developmental Sentence Scoring (DSS) procedure (Lee, 1974) of boys versus girls who are late to start talking as toddlers. The research hypothesis was that boys who present as LT toddlers would score significantly higher than LT girls at each age level tested. The DSS is a norm-referenced instrument that assesses age-appropriate morphological development and syntax. The LT subjects used were part of the Portland Language Development Project, a longitudinal study. Spontaneous speech samples were collected, transcribed, and analyzed using the DSS procedure once each year from the time they were approximately 3 years of age, until the age of 7. Late talking children in this present study were grouped by gender. A Chi Square test was used to determine if the proportion of males scoring above the 10th percentile on the DSS was significantly different than the proportion of females scoring above the 10th percentile at each age. Results from this analysis indicated that at the age of 3 years, more boys than girls scored above the 10th percentile on the DSS. There were no significant differences found at the ages of 4, 5, 6, and 7. At-test was used to compare average DSS scores between the two genders for each year of the study. This test revealed a significant difference between the LT girls' and LT boys' scores at the age of 3 years. No significant differences were found for the subsequent years. However, difference between boys' and girls' scores at age 7 approached significance, with boys again scoring higher.

"December, 2003" / Bibliography: leaves 283-311. / xiv, 311 leaves : ill. ; 30 cm. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.)--University of Adelaide, School of Medicine, Dept. of Psychology, 2005

Relapse is a common occurrence in the treatment of adolescent substance abuse. It is estimated that one out of three adolescents will relapse after treatment termination. Although much attention has been given to family factors which influence an adolescent's use and abuse of drugs, this same vigorous attention has not been given to determining if family factors play a role in an adolescent resuming drug use after treatment termination. It has been theorized that the same family factors which increase the risk of an adolescent to use and abuse drugs also can help in gaining an understanding of why relapse occurs. Three prominent theories used to explain family factors associated with drug use/abuse and relapse are genetic and social learning theories, and family dysfunction. The purpose of this study was to investigate if familial factors, as proposed from the theories presented, were predictive of relapse. The sample in this study consisted of 31 adolescents who entered drug treatment between 1986 and 1988. Follow-up data of the adolescent's pattern of drug use since treatment discharge were collected through telephone interviews with the parent or guardian of the adolescent one and a half to nineteen months after treatment. The family information used in this study was collected through self-report questionnaires given to the adolescent at time of treatment. Specific family variables used in this study were: parental and sibling substance abuse history, number of parents in residence, past experience of physical and/or sexual abuse, and history of running away from home. Regression analyses were used to assess if these family variables were associated with relapse. Results of the data analyses found partial support for genetic and social learning theories of relapse, as well as relapse from a family dysfunction perspective. Findings indicated that adolescents who lived with only one parent or neither parent in comparison to those who lived with both parents, those who had experienced physical and/or sexual abuse, and those who perceived their father as not having a history of substance abuse were more at risk to relapse. Findings further indicated a cross-gender effect in that male adolescents who reported mother as having a substance abuse history were more likely to relapse. This same finding was not found for females in this study. The results indicate that given specific family dynamics, a sub-population of adolescents may be targeted on entrance to treatment to be at greater risk to relapse. / Graduation date: 1991

While much is known about the achievement of high ability students, much less research has focused on their lower ability peers. In addition, although academic self-concept, locus of control and learning approaches have been demonstrated to be important personal variables that influence learning outcomes, less effort has been made to integrate these variables simultaneously to understand the complexity of low-achievement. The present research aimed to not only identify key causes of the low-achievement of academically disadvantaged students, but also provide appropriate and productive enhancement approaches to foster low-achieving students’ school success by conducting a pioneering longitudinal experimental study particularly in mainland China. The participants were low-achieving junior secondary students who had recently enrolled in Secondary Vocational Education (SVE) in mainland China (total N = 724). It was found that compared with normal- and high-achieving students in mainstream secondary education, students in SVE were characterized with less achieving motives, less internal-oriented control beliefs and particularly lower academic self-concepts. In addition, the academic self-concept of SVE students was found to be the most significant predictor of their academic achievement (p＜ .001) compared with achieving approach (p＜ .05) and locus of control (p＞ .05). These findings, in light of the 3P learning model, revealed the likely major role of academic self-concept in affecting academic achievement among adolescent students in SVE. In particular, Study 2, a comparative study, confirmed that vocational students had the lowest English self-concept of the groups studied. Hence, the focus of Study 3 (a longitudinal intervention) was on English self-concept. By incorporating recent advances in Western feedback enhancement approaches and the construct-validity approach to fully explore the intervention effects, Study 3 demonstrated that the researcher-administered treatments (performance feedback and combined feedback) in natural classroom settings successfully enhanced participants’ English self-concept, the targeted facet. Importantly, both the competence and affect components within the English self-concept of targeted students also gained statistically significant improvements from the two feedback treatments, compared with those of students who received no particular treatment. An interesting finding was that the two feedback treatments appeared similarly significant in changing the competence component of English self-concept. However, the internally-focused performance feedback was less effective in changing the affect component of English self-concept compared with the combined feedback. Non-significant transfer effects were found on untargeted facets of academic self-concept among participants receiving only the performance feedback. A slightly significant transfer effect was found on Chinese self-concept (one control facet) among participants receiving the combined feedback, indicating the power of the combined feedback to influence a facet that is closely related to the targeted facet. The present findings provided important cross-cultural empirical evidence to support sound within-network validity of the feedback intervention in a vocational setting. Impressively, the English achievements of students in both experimental classes also gained statistically significant improvements. Based on key research designs of the present intervention, future implications of the two feedback treatments to cultivate positive academic self-beliefs and enhance learning among vocational and non-vocational secondary school students are discussed. / published_or_final_version / Education / Doctoral / Doctor of Philosophy

The purpose of this thesis is to identify typical patterns of career destinations for young women and men in relation to their high school science preparedness. This is an empirical structural study that documents the way high school academic capital is turned (or not) into human capital for science and engineering professions. The study uses ten years of longitudinal data on educational and career paths of British Columbia high school graduates of the Class of '88. Correspondence analysis and other descriptive statistics provide a picture of students' participation in mathematics and science senior high school courses and post-secondary academic programs. School course choices, post-secondary educational attainment, specialization fields are correlated to respondents' high school science preparedness, parental education and gender. A major finding of this study is that high school science preparedness opens greater opportunity for students to attend and succeed along abroad range of post-secondary pathways. Still, thesis findings confirm the existence of a "leaking" phenomenon along the physical sciences and engineering post-secondary pipeline, especially for women as well as men with non-university educated parents. Equity in access and outcomes is discussed in relation to respondents' possession of cultural and academic capital, and in relation to gender inequality that persists within school and post-secondary institutions, the science community and society at large. Implications for further research emerge from the literature review and the interpretation of thesis findings. Longitudinal research needs to explore more directly the reasons why many young women and men who excelled in science at the high school level depart from the science pipeline sooner or later. A major conclusion is that the "critical mass" approach that directs attention toward creating a large supply pool to feed the science pipeline by encouraging more young women to enter the field of science is still a unilateral numerical strategy, and more has to be done to improve the retention and advancement of talented women interested in science. This thesis reinforces the need for an analysis of the culture of the science community and a revision of the leaking science pipeline concept that should be replaced by a more open non-linear model of science careers.