Doktorarbeit / Dissertation, 2011
119 Seiten, Note: PhD
CHAPTER ONE
INTRODUCTION
1.1 Background to the Study
1.2 Statement of the Problem
1.3 Objectives of the Study
1.4 Research Questions
1.5 Research Hypotheses
1.6 Significance of the Study
1.7 Scope of the Study
1.8 Limitations of the study
1.9 Operational Definition of Terms
CHAPTER TWO
LITERATURE REVIEW
2.0 Introduction
2.1 Hearing impairment and its effects on the individual
2.2 Educational provision and persons with hearing impairment
2.3 Instructional strategies for students with hearing impairment
2.4 Libraries and Nigerian secondary schools
2.5 Hearing impairment and learning outcomes
2.6 Gender and learning outcomes of students with hearing Impairment
2.7 Library use instruction for students with hearing impairment.
2.8 Video and educational instruction for hearing impairment
2.9 Importance of captioning and captioned video
2.10 Direct instructional strategy and captioned video instruction
2.11 Theoretical Framework
2.12 Conceptual Model
2.13 Appraisal of Literature Reviewed
CHAPTER THREE
METHODOLOGY
3.0 Introduction
3.1 Research Design
3.2 Population of the Study
3.3 Sample and Sampling Procedure
3.4 Variables of the Study
3.5 Data Collection Instruments
3.6 Validity and Reliability of Instruments
3.7 Pilot Study
3.8 Procedure
3.8.1 Request for Approval in the Schools used for the Study
3.8.2 Assignment to Treatment Groups
3.8.3 Pretests
3.8.4 Treatment Programmes
3.8.5 Posttests
3.9 Data Analysis
CHAPTER FOUR
RESULTS AND DISCUSSION
4.0 Introduction
4.1 Profile of Schools.
4.2 Results of Research questions
4.3 Testing of Hypotheses
4.4 Discussion of Results
4.4.1 Position of library services and library use instruction in the schools.
4.4.2 Effects of Instructional Strategies on Learning Outcomes of students with Hearing Impairment
4.4.3 Effectiveness of Captioned Video Instructional Strategy in Library Instruction
4.4.4 Effectiveness of Direct Instructional Strategy in Library instruction
4.4.5 Effects of Instructional Strategies and Students’ Gender on learning outcomes
4.4.6 Participants’ Performance in Test of Knowledge about library use and Practical Skill.
CHAPTER FIVE
SUMMARY AND CONCLUSIONS
5.0 Introduction.
5.1 Summary of the findings.
5.2 Implications of the Study.
5.3 Conclusions.
5.4 Contribution to knowledge
5.5 Recommendations.
5.6 Suggestions for further research.
LIBRARY USE INSTRUCTION SCRIPT
I Introduction
II LIBRARY COLLECTION AND ARRANGEMENT
III LIBRARY CATALOGUE
IV LIBRARY USE PROCEDURE
V REFERENCE SOURCES AND PERIODICALS
VI PARTS OF A BOOK
VII ELECTRONIC SOURCES OF INFORMATION
This study aims to investigate the influence of two specific instructional strategies—Captioned Video Instruction and Direct Instruction—on the library usage skills and academic achievement of secondary school students with hearing impairment. It seeks to determine which approach is more effective for this specific demographic in the context of the Nigerian education system.
1.1 Background to the Study
Hearing impairment is a condition that imposes limitations in hearing on the individual. Persons with hearing impairment suffer from hearing loss and are therefore precluded from adequate hearing. These people are unable to understand spoken language through the hearing mode alone. Hearing loss affects how well an individual is able to hear spoken language and respond to other stimuli in the environment, since it brings about limits in sensitivity to sound. According to Onwuchekwa (1987) and Heward (2000) hearing impairment limits an individual from the acquisition of information or knowledge through the auditory channel. This means that they have problems with communication due to their hearing loss.
Communication which involves information exchange is a vital human activity. It is also central to education. The central position of communication in human lives has made scholars continue to study the process of communication and the way people process information (Ruben, 2002). As noted by Waite and Melling (2007) hearing plays a fundamental role in communication and when someone has difficulties hearing he is likely to experience difficulties with communication. Considering the fact that language remains the main vehicle of communication, persons with hearing impairment are therefore put at a disadvantage in a hearing community.
CHAPTER ONE: Provides the foundational background, identifies the research problem regarding the lack of library skills for hearing-impaired students, and defines the research objectives and hypotheses.
CHAPTER TWO: Reviews literature on hearing impairment, instructional strategies like captioning and direct instruction, and the role of school libraries in fostering lifelong learning skills.
CHAPTER THREE: Details the quasi-experimental methodology, including the research design, sample selection, and the specific treatment programmes administered to the experimental groups.
CHAPTER FOUR: Presents the analysis and discussion of the research data, comparing the performance of students in the captioned video, direct instruction, and control groups.
CHAPTER FIVE: Summarizes the study's findings, provides conclusions on the effectiveness of the instructional strategies, and offers recommendations for educational policy and further research.
Captioned video instruction, Direct instruction, Library use instruction, Hearing impairment, Secondary school students, Special education, Instructional strategies, Academic achievement, Information literacy, Learning outcomes, Educational media, Inclusive education, Assistive technology, Library services, Cognitive development.
This study investigates the impact of two distinct teaching methods—Captioned Video Instruction and Direct Instruction—on the ability of secondary school students with hearing impairment to use libraries effectively.
The research focuses on Senior Secondary School II students with hearing impairment enrolled in integrated public schools in Oyo State, Nigeria.
The main goal is to identify effective instructional strategies to improve the library usage skills and academic outcomes of students who face communication barriers due to hearing loss.
The researcher utilized a quasi-experimental, pretest-posttest, control group design with a 3x2 factorial matrix, involving two experimental groups and one control group.
The instruction covered seven key topics: introduction to school libraries, library collection and arrangement, the library catalogue, library usage procedures, reference sources, parts of a book, and electronic information sources.
Key terms include captioned video instruction, direct instruction, library use instruction, hearing impairment, and secondary school students.
The study found that while both strategies were effective compared to the control group, there was no statistically significant difference in performance between the Captioned Video and Direct Instruction groups, although both improved learning outcomes significantly.
The statistical analysis showed that gender has no significant interaction effect on the learning outcomes, meaning both male and female students benefit equally from these instructional strategies.
The study recommends that schools should provide formal library instruction and adopt modified teaching tools, such as captioned videos and sign language-supported direct instruction, to ensure students with hearing impairment gain essential information literacy skills.
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