1982 …2019
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Research Output 1982 2019

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1982

Strategies in the recall of clusterable lists

Bilsky, L. H., Whittemore, C. L. & Walker, N., 1982, In : Intelligence. 6, 1, p. 23-35 13 p.

Research output: Contribution to journalArticle

Teaching
Categorical
New Words
Word Lists
Controlled

Use of categorical knowledge to aid recall

Bilsky, L. H., Walker, N., Jones, P., Scheyer, B. & Black, M., 1982, In : Journal of Mental Deficiency Research. 26, 1, p. 11-20 10 p.

Research output: Contribution to journalArticle

Cues
Aptitude
Categorical
Experimenter
Color
1983

Comprehension and recall of sentences by mentally retarded and nonretarded individuals

Bilsky, L. H., Walker, N. & Sakales, S. R., 1983, In : American Journal of Mental Deficiency. 87, 5, p. 558-565 8 p.

Research output: Contribution to journalArticle

Mentally Disabled Persons
Cues
Aptitude
Sentence Recall

Encoding processes and the recall of text

Walker, N., Jones, J. P. & Mar, H. H., May 1983, In : Memory & Cognition. 11, 3, p. 275-282 8 p.

Research output: Contribution to journalArticle

Reading
Research
Encoding
Experiment
Paragraph
1986

Direct retrieval from elaborated memory traces

Walker, N., Jul 1986, In : Memory & Cognition. 14, 4, p. 321-328 8 p.

Research output: Contribution to journalArticle

Names
Memory Trace
Experiment
Elaboration
Associative
1989

Life experiences, response styles and mental health among mothers and children in Beirut, Lebanon

Bryce, J., Walker, N., Ghorayeb, F. & Kanj, M., 1989, In : Social Science and Medicine. 28, 7, p. 685-695 11 p.

Research output: Contribution to journalArticle

Lebanon
mental health
Life Change Events
Mental Health
child health

Predicting symptoms of depression among women in Beirut: The importance of daily life

Bryce, J., Walker, N. & Peterson, C., 1989, In : International Journal of Mental Health. 18, 1, p. 57-70 14 p.

Research output: Contribution to journalArticle

1991

Classifying graphical information

Lohse, G., Walker, N., Biolsi, K. & RUETer, H., 1991, In : Behaviour and Information Technology. 10, 5, p. 419-436 18 p.

Research output: Contribution to journalArticle

Art
experiment
graphic arts
Research
cognitive structure

Optimizing speed and accuracy of menu selection: a comparison of walking and pull-down menus

Walker, N., Smelcer, J. B. & Nilsen, E., 1991, In : International Journal of Man-Machine Studies. 35, 6, p. 871-890 20 p.

Research output: Contribution to journalArticle

Experiments
experiment
travel
time
1993

Aggregation bias and the use of regression in evaluating models of human performance

Walker, N. & Catrambone, R., 1993, In : Human Factors. 35, 3, p. 397-411 15 p.

Research output: Contribution to journalArticle

aggregation
Agglomeration
Regression Analysis
regression
trend

Spatial and temporal characteristics of rapid cursor-positioning movements with electromechanical mice in human-computer interaction

Walker, N., Meyer, D. E. & Smelcer, J. B., Sep 1993, In : Human Factors. 35, 3, p. 431-458 28 p.

Research output: Contribution to journalArticle

Human computer interaction
experiment
interaction
Experiments
Display devices

Transfer of Knowledge Across Computer Command Menus

Smelcer, J. B. & Walker, N., Jan 4 1993, In : International Journal of Human-Computer Interaction. 5, 2, p. 147-165 19 p.

Research output: Contribution to journalArticle

organization
Information retrieval
information retrieval
knowledge
performance
1994

Classification of visual representations

Lohse, G. L., Biolsi, K., Walker, N. & Rueter, H. H., Dec 1994, In : Communications of the ACM. 37, 12, p. 36-49 14 p.

Research output: Contribution to journalArticle

Taxonomies
Taxonomy
Similarity Measure
Anomaly
Predict
1995

Evaluation of the CyberGlove as a Whole-Hand Input Device

Kessler, G. D., Hodges, L. F. & Walker, N., Jan 12 1995, In : ACM Transactions on Computer-Human Interaction. 2, 4, p. 263-283 21 p.

Research output: Contribution to journalArticle

Sensors
Calibration

Human Factors Goes to the Gridiron

Walker, N. & Fisk, A. D., Jul 1995, In : Ergonomics in Design: The Quarterly of Human Factors Applications. 3, 3, p. 8-13 6 p.

Research output: Contribution to journalArticle

Human engineering
1996

A survey of automatic teller machine usage across the adult life span

Rogers, W. A., Cabrera, E. F., Walker, N., Gilbert, D. K. & Fisk, A. D., Mar 1996, In : Human Factors. 38, 1, p. 156-166 11 p.

Research output: Contribution to journalArticle

Automatic teller machines
life-span
agglomeration area
experience
Demography

Supporting perception in the service of dynamic decision making

Kirlik, A., Walker, N., Fisk, A. D. & Nagel, K., Jun 1996, In : Human Factors. 38, 2, p. 288-299 12 p.

Research output: Contribution to journalArticle

Decision Making
Decision making
decision making
heuristics
pattern recognition

Training older adults to use automatic teller machines

Rogers, W. A., Fisk, A. D., Mead, S. E., Walker, N. & Cabrera, E. F., Sep 1996, In : Human Factors. 38, 3, p. 425-433 9 p.

Research output: Contribution to journalArticle

Automatic teller machines
Teaching
Group
transaction
Simulators
1997
Noise
efficiency
performance
ability
young adult

Aging and decision making: Driving-related problem solving

Walker, N., Fain, W. B., Fisk, A. D. & McGuire, C. L., Sep 1997, In : Human Factors. 39, 3, p. 438-444 7 p.

Research output: Contribution to journalArticle

Decision Making
Aging of materials
Decision making
speed limit
decision making

An evaluation of level of detail degradation in head-mounted display peripheries

Watson, B., Walker, N., Hodges, L. F. & Reddy, M., 1997, In : Presence: Teleoperators and Virtual Environments. 6, 6, p. 630-637 8 p.

Research output: Contribution to journalArticle

Display devices
Degradation
Analysis of variance (ANOVA)
Virtual reality

A program for parsing mouse movements into component submovements

Walker, N., Philbin, D., Worden, A. & Smelcer, J. B., 1997, In : Behavior Research Methods, Instruments, & Computers. 29, 3, p. 456-460 5 p.

Research output: Contribution to journalArticle

Research Personnel
Tremor
Hand
Parsing
Mouse

Managing level of detail in virtual environments: A perceptual framework

Reddy, M., Watson, B., Walker, N. & Hodges, L. F., 1997, In : Presence: Teleoperators and Virtual Environments. 6, 6, p. 658-666 9 p.

Research output: Contribution to journalArticle

Virtual reality
Experiments

Managing Level of Detail through Peripheral Degradation

Watson, B., Walker, N., Hodges, L. F. & Worden, A., Dec 1 1997, In : ACM Transactions on Computer-Human Interaction. 4, 4, p. 323-346 24 p.

Research output: Contribution to journalArticle

Display devices
Degradation
Color
1998

Effects of variation in system responsiveness on user performance in virtual environments

Watson, B., Walker, N., Ribarsky, W. & Spaulding, V., Sep 1998, In : Human Factors. 40, 3, p. 403-414 12 p.

Research output: Contribution to journalArticle

Sensory Feedback
Virtual reality
Feedback
Data visualization
Hand Strength

Functional limitations to daily living tasks in the aged: A focus group analysis

Rogers, W. A., Meyer, B., Walker, N. & Fisk, A. D., Mar 1998, In : Human Factors. 40, 1, p. 111-125 15 p.

Research output: Contribution to journalArticle

Leisure Activities
Human engineering
Focus Groups
Housekeeping
Research
1999

Country-specific estimates and models of HIV and AIDS: Methods and limitations

Schwartländer, B., Stanecki, K. A., Brown, T., Way, P. O., Monasch, R., Chin, J., Tarantola, D. & Walker, N., 1999, In : AIDS. 13, 17, p. 2445-2458 14 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
HIV Infections
Mortality
Sex Ratio
2000

AIDS in a new millennium

Schwartländer, B., Garnett, G., Walker, N. & Anderson, R., Jul 7 2000, In : Science. 289, 5476, p. 64-67 4 p.

Research output: Contribution to journalArticle

Anti-HIV Agents
United Nations
Population Dynamics
Health Policy
Risk-Taking

Modeling and analysis of a dynamic judgment task using a Lens Model approach

Bisantz, A. M., Kirlik, A., Gay, P., Phipps, D. A., Walker, N. & Fisk, A. D., Nov 2000, In : IEEE Transactions on Systems, Man, and Cybernetics Part A:Systems and Humans.. 30, 6, p. 605-616 12 p.

Research output: Contribution to journalArticle

Lens
Lenses
Modeling
Decision making
Decision Making
2001

Epidemiological analysis of the quality of HIV sero-surveillance in the world: How well do we track the epidemic?

Walker, N., Garcia-Calleja, J. M., Heaton, L., Asamoah-Odei, E., Poumerol, G., Lazzari, S., Ghys, P. D., Schwartländer, B. & Stanecki, K. A., Aug 17 2001, In : AIDS. 15, 12, p. 1545-1554 10 p.

Research output: Contribution to journalArticle

HIV
Acquired Immunodeficiency Syndrome
Sentinel Surveillance
Epidemiological Monitoring
Databases

Resource needs for HIV/AIDS

Schwartländer, B., Stover, J., Walker, N., Bollinger, L., Gutierrez, J. P., McGreevey, W., Opuni, M., Forsythe, S., Kumaranayake, L., Watts, C. & Bertozzi, S., Jun 29 2001, In : Science. 292, 5526, p. 2434-2436 3 p.

Research output: Contribution to journalArticle

International Cooperation
Private Sector
United Nations
Africa South of the Sahara
Health Resources

The global impact of HIV/AIDS

Piot, P., Bartos, M., Ghys, P. D., Walker, N. & Schwartländer, B., Apr 19 2001, In : Nature. 410, 6831, p. 968-973 6 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Economic Development
Africa South of the Sahara
Population Growth
2002

AIDS in Africa.

Ghys, P. D., Walker, N. & Hankins, C., Nov 2 2002, In : The Lancet. 360, 9343

Research output: Contribution to journalArticle

Infectious Pregnancy Complications
Uganda
Condoms
HIV Infections
Acquired Immunodeficiency Syndrome

AIDS in Africa [2] (multiple letters)

Gisselquist, D., Potterat, J. J., Epstein, P., Vachon, F., Minkin, S. F., Buvé, A., Clerici, M., Boasso, A., Rizzardini, G., Deshpande, A., Biasin, M., Konotey-Ahulu, F. I. D., Ghys, P. D., Walker, N., Hankins, C. & Parkhurst, J., Nov 2 2002, In : The Lancet. 360, 9343, p. 1422-1425 4 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome

Can we reverse the HIV/AIDS pandemic with an expanded response?

Stover, J., Walker, N., Garnett, G. P., Salomon, J. A., Stanecki, K. A., Ghys, P. D., Grassly, N. C., Anderson, R. M. & Schwartländer, B., Jul 6 2002, In : The Lancet. 360, 9326, p. 73-77 5 p.

Research output: Contribution to journalArticle

Pandemics
Acquired Immunodeficiency Syndrome
HIV
Risk-Taking
HIV-1

Estimated global distribution and regional spread of HIV-1 genetic subtypes in the year 2000

Osmanov, S., Pattou, C., Walker, N., Schwardländer, B., Esparza, J., Abimiku, A., Barre-Sinoussi, F., Biberfield, G., Birx, D., Bobkov, A., Von Briesen, H., Dietrich, U., Chappey, C., Galvao-Castro, B., Morgado, M., Tanuri, A., Goudsmit, J., Lukashov, L., Van der Groen, G., Heyndrickx, L. & 24 others, Janssen, W., Hahn, B., Gao, F., Hoelscher, M., Kaleebu, P., Sempala, S., Kalish, M., Korber, B., Lopez-Galindez, C., M'Boup, S., McCutchan, F., Mhalu, F., Lyamuya, E., Mullins, J., Najera, R., Nkengasong, J., Peeters, M., Delaporte, E., Salminen, M., Salomon, H., Samuel, N. M., Shao, Y., Wasi, C. & Williamson, C., Feb 1 2002, In : Journal of Acquired Immune Deficiency Syndromes. 29, 2, p. 184-190 7 p.

Research output: Contribution to journalArticle

HIV-1
HIV
Pandemics
Virology
Acquired Immunodeficiency Syndrome

Estimating HIV/AIDS prevalence in countries with low-level and concentrated epidemics: The example of Honduras

Ramón, J. S., Alvarenga, M., Walker, N., Garcia-Calleja, J. M. & Zacarias, F., Dec 2002, In : AIDS. 16, SUPPL. 3

Research output: Contribution to journalArticle

Honduras
Acquired Immunodeficiency Syndrome
HIV
Population Density
Uncertainty

Improved methods and assumptions for estimation of the HIV/AIDS epidemic and its impact: Recommendations of the UNAIDS Reference Group on estimates, modelling and projections

Artzrouni, M., Brown, T., Feeney, G., Garnett, G., Ghys, P., Grassly, N., Lazzari, S., Schneider, D., Stanecki, K., Stover, J., Schwartländer, B., Walker, N., Way, P., Yan, P., Zaba, B., Zlotnik, H., Boerma, T., Brahmbhatt, H., Calleja, J. M., Chin, J. & 16 others, Coutinho, R., Dabis, F., De Cock, K., Fitzgerald, D., Garnett, G., Gray, R. H., Kitayaporn, D., Landmann Szwarcwald, C., Morgan, D., Peerpatanapokin, W., Rangsin, R., Reddy, D. K., De Vincenzi, I., Monasch, R., Peeranapatopokin, W. & Timæus, I., Jun 14 2002, In : AIDS. 16, 9

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Epidemiology
HIV-1
Demography

Meeting international goals in child survival and HIV/AIDS

Walker, N., Schwartländer, B. & Bryce, J., Jul 27 2002, In : The Lancet. 360, 9329, p. 284-289 6 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Survival
Mortality
Child Mortality

Status of the HIV/AIDS epidemic and methods to monitor it in the Latin America and Caribbean region

Garcia Calleja, J. M., Walker, N., Cuchi, P., Lazzari, S., Ghys, P. D. & Zacarias, F., Dec 2002, In : AIDS. 16, SUPPL. 3

Research output: Contribution to journalArticle

Latin America
Acquired Immunodeficiency Syndrome
HIV
Population Groups
HIV Infections
2003

Back to basics in HIV prevention: Focus on exposure

Pisani, E., Garnett, G. P., Brown, T., Stover, J., Grassly, N. C., Hankins, C., Walker, N. & Ghys, P. D., Jun 21 2003, In : BMJ (Online). 326, 7403, p. 1384-1387 4 p.

Research output: Contribution to journalArticle

HIV Infections
HIV

Estimates of HIV-1 prevalence from national population-based surveys as a new gold standard

Boerma, J. T., Ghys, P. D. & Walker, N., Dec 6 2003, In : The Lancet. 362, 9399, p. 1929-1931 3 p.

Research output: Contribution to journalArticle

HIV-1
Population
Surveys and Questionnaires

Estimation of "needs" and "probable uptake" for HIV/AIDS preventive vaccines based on possible policies and likely acceptance (a WHO/UNAIDS/IAVI study)

Esparza, J., Chang, M. L., Widdus, R., Madrid, Y., Walker, N. & Ghys, P. D., May 16 2003, In : Vaccine. 21, 17-18, p. 2041-2050 10 p.

Research output: Contribution to journalArticle

AIDS Vaccines
Vaccines
HIV
vaccines
Health Services Needs and Demand

Growing in silence: selected regions and countries with expanding HIV/AIDS epidemics.

Ghys, P. D., Saidel, T., Vu, H. T., Savtchenko, I., Erasilova, I., Mashologu, Y. S., Indongo, R., Sikhosana, N. & Walker, N., 2003, In : AIDS. 17 Suppl 4

Research output: Contribution to journalArticle

Infectious Pregnancy Complications
Lesotho
Swaziland
Sentinel Surveillance
Intravenous Substance Abuse

HIV surveillance: A global perspective

Pisani, E., Lazzari, S., Walker, N. & Schwartländer, B., Feb 2003, In : Journal of Acquired Immune Deficiency Syndromes. 32, SUPPL. 1

Research output: Contribution to journalArticle

HIV
Botswana
Vietnam
Heterosexuality
Risk-Taking

Methods and procedures for estimating HIV/AIDS and its impact: The UNAIDS/WHO estimates for the end of 2001

Walker, N., Stanecki, K. A., Brown, T., Stover, J., Lazzari, S., Garcia-Calleja, J. M., Schwartländer, B. & Ghys, P. D., Oct 17 2003, In : AIDS. 17, 15, p. 2215-2225 11 p.

Research output: Contribution to journalArticle

Acquired Immunodeficiency Syndrome
HIV
Child Mortality
Mortality
United Nations

The growing burden of tuberculosis: Global trends and interactions with the HIV epidemic

Corbett, E. L., Watt, C. J., Walker, N., Maher, D., Williams, B. G., Raviglione, M. C. & Dye, C., May 12 2003, In : Archives of Internal Medicine. 163, 9, p. 1009-1021 13 p.

Research output: Contribution to journalArticle

Tuberculosis
HIV
Virus Diseases
Coinfection
Acquired Immunodeficiency Syndrome
2004

A global analysis of trends in the quality of HIV sero-surveillance

Garcia-Calleja, J. M., Zaniewski, E., Ghys, P. D., Stanecki, K. & Walker, N., Aug 2004, In : Sexually Transmitted Infections. 80, SUPPL. 1

Research output: Contribution to journalArticle

HIV
Databases
Censuses
Acquired Immunodeficiency Syndrome
Serum

Comparison of household-survey estimates with projections of mortality and orphan numbers in sub-Saharan Africa in the area of HIV/AIDS

Grassly, N. C., Lewis, J. J. C., Mahy, M., Walker, N. & Timaæus, I. M., Jul 2004, In : Population Studies. 58, 2, p. 207-217 11 p.

Research output: Contribution to journalArticle

orphan
household survey
projection
AIDS
mortality

Distribution of major health risks: Findings from the global burden of disease study

Comparative Risk Assessment Collaborating Group, Jan 1 2004, In : PLoS Medicine. 1, 1, p. 44-55 12 p., e27.

Research output: Contribution to journalArticle

Health
Population
Thinness
Tobacco Use
Vegetables