1982 …2019

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

Filter
Article
2003

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

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

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

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

2002

AIDS in Africa.

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

Research output: Contribution to journalArticle

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

1997

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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