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This is an agreement between the author and UMI, Ann Arbor, Michigan, providing for the publication of an abstract (of not more than 350 words) of the dissertation in Dissertation Abstracts International, which is distributed on a subscription basis. Mathematical formulas, diagrams, and other illustra- tive materials are not recommended for the printed abstract.

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Signature Date MD1528D 12/98 SUBJECT CATEGORIES

Dissertation Abstracts International is arranged by subject categories. Please select the one subject which most nearly describes the content of your dissertation.

THE HUMANITIES AND SOCIAL SCIENCES COMMUNICATIONS AND THE ARTS Music ...... 0522 Romance ...... 0313 History Architecture ...... 0729 Philosophy of...... 0998 Slavic and East European ...... 0314 General...... 0578 Art History ...... 0377 Physical...... 0523 Ancient ...... 0579 Cinema...... 0900 Reading ...... 0535 PHILOSOPHY, RELIGION, AND Medieval ...... 0581 Dance...... 0378 Religious ...... 0527 THEOLOGY Modern ...... 0582 Design and Decorative Arts...... 0389 Sciences ...... 0714 Philosophy ...... 0422 Black...... 0328 Fine Arts...... 0357 Secondary...... 0533 Religion Church ...... 0330 Information Science ...... 0723 Social Sciences ...... 0534 General...... 0318 African...... 0331 Journalism ...... 0391 Sociology of ...... 0340 Biblical Studies...... 0321 Asia, Australia, and Oceania 0332 Landscape Architecture ...... 0390 Special...... 0529 Clergy...... 0319 Canadian...... 0334 Library Science...... 0399 Teacher Training...... 0530 History of ...... 0320 European ...... 0335 Mass Communications ...... 0708 Technology ...... 0710 Philosophy of...... 0322 Latin American ...... 0336 Music ...... 0413 Tests and Measurements ...... 0288 Theology...... 0469 Middle Eastern...... 0333 Speech Communication...... 0459 Vocational ...... 0747 United States ...... 0337 Theater ...... 0465 History of Science...... 0585 SOCIAL SCIENCES Law ...... 0398 LANGUAGE, LITERATURE, AND American Studies ...... 0323 EDUCATION LINGUISTICS Political Science Anthropology General...... 0615 General...... 0515 Language Archaeology...... 0324 Administration ...... 0514 General...... 0679 International Law and Cultural ...... 0326 Relations ...... 0616 Adult and Continuing ...... 0516 Ancient ...... 0289 Physical...... 0327 Agricultural ...... 0517 Linguistics...... 0290 Public Administration ...... 0617 Business Administration Recreation...... 0814 Art...... 0273 Modern ...... 0291 General...... 0310 Bilingual and Multicultural .....0282 Rhetoric and Composition...... 0681 Social Work...... 0452 Accounting ...... 0272 Sociology Business ...... 0688 Literature Banking...... 0770 Community College...... 0275 General...... 0401 General...... 0626 Management ...... 0454 Criminology and Penology ....0627 Curriculum and Instruction .....0727 Classical...... 0294 Marketing...... 0338 Early Childhood...... 0518 Comparative...... 0295 Demography ...... 0938 Canadian Studies ...... 0385 Ethnic and Racial Studies...... 0631 Educational Psychology ...... 0525 Medieval ...... 0297 Economics Elementary ...... 0524 Modern ...... 0298 Individual and Family General...... 0501 Studies...... 0628 Educational Psychology ...... 0525 African...... 0316 Agricultural ...... 0503 Finance ...... 0277 American ...... 0591 Industrial and Labor Commerce-Business...... 0505 Relations ...... 0629 Guidance and Counseling .....0519 Asian ...... 0305 Finance ...... 0508 Health ...... 0680 Canadian (English) ...... 0352 Public and Social Welfare .....0630 History ...... 0509 Social Structure and Higher...... 0745 Canadian (French) ...... 0355 Labor ...... 0510 History of ...... 0520 Caribbean...... 0360 Development ...... 0700 Theory ...... 0511 Theory and Methods ...... 0344 Home Economics...... 0278 English ...... 0593 Folklore ...... 0358 Industrial ...... 0521 Germanic ...... 0311 Transportation ...... 0709 Geography ...... 0366 Urban and Regional Planning ...0999 Language and Literature...... 0279 Latin American ...... 0312 Gerontology...... 0351 Mathematics ...... 0280 Middle Eastern...... 0315 Women’s Studies ...... 0453 THE SCIENCES AND ENGINEERING BIOLOGICAL SCIENCES Environmental Sciences...... 0768 Rehabilitation and Therapy....0382 Applied Sciences Agriculture Geochemistry...... 0996 Speech Pathology ...... 0460 Applied Mechanics...... 0346 General...... 0473 Geodesy ...... 0370 Toxicology ...... 0383 Computer Science...... 0984 Agronomy ...... 0285 Geology ...... 0372 Home Economics ...... 0386 Engineering Animal Culture and Geophysics ...... 0373 General...... 0537 Nutrition ...... 0475 Hydrology...... 0388 PHYSICAL SCIENCES Aerospace...... 0538 Animal Pathology ...... 0476 Mineralogy ...... 0411 Agricultural ...... 0539 Fisheries and Aquaculture .....0792 Paleobotany...... 0345 Pure Sciences Automotive ...... 0540 Food Science and Paleoecology...... 0426 Chemistry Biomedical ...... 0541 Technology...... 0359 Paleontology ...... 0418 General...... 0485 Chemical...... 0542 Forestry and Wildlife...... 0478 Paleozoology ...... 0985 Agricultural ...... 0749 Civil ...... 0543 Plant Culture...... 0479 Palynology...... 0427 Analytical...... 0486 Electronics and Electrical ...... 0544 Plant Pathology...... 0480 Physical Geography ...... 0368 Biochemistry ...... 0487 Environmental...... 0775 Soil Science ...... 0481 Physical Oceanography ...... 0415 Inorganic...... 0488 Industrial ...... 0546 Range Management...... 0777 Nuclear...... 0738 Marine and Ocean ...... 0547 Soil Science ...... 0481 HEALTH SCIENCES Organic ...... 0490 Materials Science...... 0794 Wood Technology ...... 0746 Pharmaceutical ...... 0491 Mechanical...... 0548 Health Sciences Physical...... 0494 Biology General...... 0566 Metallurgy...... 0743 General...... 0306 Polymer...... 0495 Mining ...... 0551 Audiology ...... 0300 Radiation...... 0754 Anatomy ...... 0287 Dentistry...... 0567 Nuclear...... 0552 Animal Physiology ...... 0433 Mathematics...... 0405 Packaging ...... 0549 Education ...... 0350 Physics Biostatistics ...... 0308 Health Care Management...... 0769 Petroleum ...... 0765 Botany ...... 0309 General...... 0605 Sanitary and Municipal...... 0554 Human Development ...... 0758 Acoustics...... 0986 Cell...... 0379 Immunology...... 0982 System Science ...... 0790 Ecology ...... 0329 Astronomy and Geotechnology...... 0428 Medicine and Surgery...... 0564 Astrophysics ...... 0606 Entomology ...... 0353 Mental Health ...... 0347 Operations Research ...... 0796 Genetics ...... 0369 Atmospheric Science ...... 0608 Plastics Technology ...... 0795 Nursing...... 0569 Atomic ...... 0748 Limnology...... 0793 Nutrition...... 0570 Textile Technology...... 0994 Microbiology ...... 0410 Condensed Matter...... 0611 Obstetrics and Gynecology....0380 Electricity and Magnetism ...... 0607 Molecular ...... 0307 Occupational Health and PSYCHOLOGY Neuroscience...... 0317 Elementary Particles and Safety ...... 0354 High Energy ...... 0798 General...... 0621 Oceanography ...... 0416 Oncology ...... 0992 Behavioral ...... 0384 Plant Physiology...... 0817 Fluid and Plasma ...... 0759 Ophthalmology...... 0381 Molecular ...... 0609 Clinical...... 0622 Veterinary Science ...... 0778 Pathology ...... 0571 Cognitive...... 0633 Zoology...... 0472 Nuclear...... 0610 Pharmacology...... 0419 Optics ...... 0752 Developmental ...... 0620 Biophysics Pharmacy ...... 0572 Experimental...... 0623 General...... 0786 Radiation...... 0756 Public Health ...... 0573 Statistics...... 0463 Industrial ...... 0624 Medical...... 0760 Radiology...... 0574 Personality...... 0625 Recreation ...... 0575 Physiological ...... 0989 EARTH AND ENVIRONMENTAL Psychobiology...... 0349 SCIENCES Psychometrics ...... 0632 Biogeochemistry ...... 0425 Social...... 0451

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