1982 …2020

Research output per year

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Research Output

A Classification of Visual Representations

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

Research output: Contribution to journalArticle

A comparison of selection times from walking and pull-down menus

Walker, N. & Smelcer, J. B., Mar 1 1990, Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI 1990. Chew, J. C. & Whiteside, J. (eds.). Association for Computing Machinery, p. 221-225 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Advancing social and economic development by investing in women's and children's health: A new Global Investment Framework

Stenberg, K., Axelson, H., Sheehan, P., Anderson, I., Gülmezoglu, A. M., Temmerman, M., Mason, E., Friedman, H. S., Bhutta, Z. A., Lawn, J. E., Sweeny, K., Tulloch, J., Hansen, P., Chopra, M., Gupta, A., Vogel, J. P., Ostergren, M., Rasmussen, B., Levin, C., Boyle, C. & 8 others, Kuruvilla, S., Koblinsky, M., Walker, N., De Francisco, A., Novcic, N., Presern, C., Jamison, D. & Bustreo, F., Jan 1 2014, In : The Lancet. 383, 9925, p. 1333-1354 22 p.

Research output: Contribution to journalComment/debate

Age group differences in World Wide Web navigation

Meyer, B., Sit, R. A., Spaulding, V. A., Mead, S. E. & Walker, N., Mar 22 1997, CHI 1997 Extended Abstracts on Human Factors in Computing Systems: Looking to the Future, CHI EA 1997. Association for Computing Machinery, Vol. 22-27-March-1997. p. 295-296 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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

Walker, N. & Catrambone, R., Jan 1 1993, In : Human Factors. 35, 3, p. 397-411 15 p.

Research output: Contribution to journalReview article

Aging and decision making: Driving-related problem solving

Walker, N., Fain, W. B., Fisk, A. D. & McGuire, C. L., Sep 1 1997, In : Human Factors. 39, 3, p. 438-444 7 p.

Research output: Contribution to journalArticle

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, p. i25-i30

Research output: Contribution to journalArticle

AIDS in Africa.

Ghys, P. D., Walker, N. & Hankins, C., Nov 2 2002, In : Lancet. 360, 9343, p. 1425; author reply 1425

Research output: Contribution to journalLetter

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 : Lancet. 360, 9343, p. 1422-1425 4 p.

Research output: Contribution to journalLetter

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 journalReview article

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

Watson, B., Walker, N., Hodges, L. F. & Reddy, M., Jan 1 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., Jan 1 1997, In : Behavior Research Methods, Instruments, and Computers. 29, 3, p. 456-460 5 p.

Research output: Contribution to journalArticle

Open Access

Assumptions and methods in the Lives Saved Tool (LiST)

Fox, M. J., Martorell, R., Van Den Broek, N. & Walker, N., 2011, In : BMC public health. 11, SUPPL. 3, I1.

Research output: Contribution to journalEditorial

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 1 1996, In : Human Factors. 38, 1, p. 156-166 11 p.

Research output: Contribution to journalArticle

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 : British medical journal. 326, 7403, p. 1384-1387 4 p.

Research output: Contribution to journalReview article

Bangladesh: A success case in combating childhood diarrhoea

Billah, S. M., Raihana, S., Ali, N. B., Iqbal, A., Rahman, M. M., Khan, A. N. S., Karim, F., Karim, M. A., Hassan, A., Jackson, B., Walker, N., Hossain, M. A., Sarker, S., Black, R. E. & El Arifeen, S. E., Jan 1 2019, In : Journal of global health. 9, 2, 020803.

Research output: Contribution to journalArticle

Open Access

Better health statistics are possible

Bchir, A., Bhutta, Z., Binka, F., Black, R., Bradshaw, D., Garnett, G., Hayashi, K., Jha, P., Peto, R., Sawyer, C., Schwartländer, B., Walker, N., Wolfson, M., Yach, D. & Zaba, B., Jan 21 2006, In : Lancet. 367, 9506, p. 190-193 4 p.

Research output: Contribution to journalComment/debate

Breastfeeding in the 21st century: Epidemiology, mechanisms, and lifelong effect

Victora, C. G., Bahl, R., Barros, A. J. D., França, G. V. A., Horton, S., Krasevec, J., Murch, S., Sankar, M. J., Walker, N., Rollins, N. C., Allen, K., Dharmage, S., Lodge, C., Peres, K. G., Bhandari, N., Chowdhury, R., Sinha, B., Taneja, S., Giugliani, E., Horta, B. & 7 others, Maia, F., de Mola, C. L., Hajeebhoy, N., Lutter, C., Piwoz, E., Martines, J. C. & Richter, L., Jan 30 2016, In : The Lancet. 387, 10017, p. 475-490 16 p.

Research output: Contribution to journalReview article

Can available interventions end preventable deaths in mothers, newborn babies, and stillbirths, and at what cost?

Bhutta, Z. A., Das, J. K., Bahl, R., Lawn, J. E., Salam, R. A., Paul, V. K., Sankar, M. J., Blencowe, H., Rizvi, A., Chou, V. B. & Walker, N., Jan 1 2014, In : The Lancet. 384, 9940, p. 347-370 24 p.

Research output: Contribution to journalReview article

Can available interventions end preventable deaths in mothers, newborn babies, and stillbirths, and at what cost?

Bhutta, Z. A., Das, J. K., Bahl, R., Lawn, J. E., Salam, R. A., Paul, V. K., Sankar, M. J., Blencowe, H., Rizvi, A., Chou, V. B. & Walker, N., Jan 1 2014, In : Obstetrical and Gynecological Survey. 69, 11, p. 641-643 3 p.

Research output: Contribution to journalComment/debate

Can the world afford to save the lives of 6 million children each year?

Bryce, J., Black, R. E., Walker, N., Bhutta, Z. A., Lawn, J. E. & Steketee, R. W., Jun 25 2005, In : Lancet. 365, 9478, p. 2193-2200 8 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 : Lancet. 360, 9326, p. 73-77 5 p.

Research output: Contribution to journalArticle

Child Mortality Estimation: Methods Used to Adjust for Bias due to AIDS in Estimating Trends in Under-Five Mortality

Walker, N., Hill, K. & Zhao, F., Aug 2012, In : PLoS medicine. 9, 8, e1001298.

Research output: Contribution to journalReview article

Child Mortality Estimation: Accelerated Progress in Reducing Global Child Mortality, 1990-2010

Hill, K., You, D., Inoue, M., Oestergaard, M. Z., Hill, K., Alkema, L., Cousens, S., Croft, T., Guillot, M., Pedersen, J., Walker, N., Wilmoth, J. & Jones, G., Aug 1 2012, In : PLoS medicine. 9, 8, e1001303.

Research output: Contribution to journalReview article

Child mortality estimation 2013: An overview of updates in estimation methods by the United Nations Inter-Agency Group for Child Mortality Estimation

Alkema, L., New, J. R., Pedersen, J., You, D., Bastian, P., Wu, J., Wardlaw, T., Mathers, C., Boerma, T., Ho, J., Suzuki, E., Pelletier, F., Andreev, K., Gerland, P., Gu, D., Li, N., Sawyer, C., Spoorenberg, T., Wilmoth, J., Hill, K. & 5 others, Cousens, S., Croft, T., Jones, G., Guillot, M. & Walker, N., Jul 11 2014, In : PloS one. 9, 7, e101112.

Research output: Contribution to journalReview article

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

Classifying visual knowledge representations: A foundation for visualization research

Lohse, J., Rueter, H., Biolsi, K. & Walker, N., Dec 1 1990, Proc First 90 IEEE Conf Visualization Visualization 90. Publ by IEEE, p. 131-138 8 p. (Proc First 90 IEEE Conf Visualization Visualization 90).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Comparing modelled predictions of neonatal mortality impacts using list with observed results of community-based intervention trials in South Asia

Friberg, I. K., Bhutta, Z. A., Darmstadt, G. L., Bang, A., Cousens, S., Baqui, A. H., Kumar, V., Walker, N. & Lawn, J. E., Apr 1 2010, In : International journal of epidemiology. 39, SUPPL. 1, p. i11-i20

Research output: Contribution to journalArticle

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 1 2004, In : Population Studies. 58, 2, p. 207-217 11 p.

Research output: Contribution to journalArticle

Comprehension and recall of sentences by mentally retarded and nonretarded individuals

Bilsky, L. H., Walker, N. & Sakales, S. R., Jan 1 1983, In : American Journal of Mental Deficiency. 87, 5, p. 558-565 8 p.

Research output: Contribution to journalArticle

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., Jan 1 1999, In : AIDS. 13, 17, p. 2445-2458 14 p.

Research output: Contribution to journalArticle

Declines in HIV prevalence can be associated with changing sexual behaviour in Uganda, urban Kenya, Zimbabwe, and urban Haiti

Hallett, T. B., Aberle-Grasse, J., Bello, G., Boulos, L. M., Cayemittes, M. P. A., Cheluget, B., Chipeta, J., Dorrington, R., Dube, S., Ekra, A. K., Garcia-Calleja, J. M., Garnett, G. P., Greby, S., Gregson, S., Grove, J. T., Hader, S., Hanson, J., Hladik, W., Ismail, S., Kassim, S. & 9 others, Kirungi, W., Kouassi, L., Mahomva, A., Marum, L., Maurice, C., Nolan, M., Rehle, T., Stover, J. & Walker, N., Apr 2006, In : Sexually transmitted infections. 82, SUPPL. 1, p. i1-i8

Research output: Contribution to journalArticle

Designing keybindings to be easy to learn and resistant to forgetting even when the set of commands is large

Walker, N. & Olson, J. R., May 1 1988, Proceedings of the SIGCHI Conference on Human Factors in Computing Systems, CHI 1988. O'Hare, J. J. (ed.). Association for Computing Machinery, p. 201-206 6 p. (Conference on Human Factors in Computing Systems - Proceedings; vol. Part F130202).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Direct retrieval from elaborated memory traces

Walker, N., Jul 1 1986, In : Memory & Cognition. 14, 4, p. 321-328 8 p.

Research output: Contribution to journalArticle

Discrepancies between UN models and DHS survey estimates of maternal orphan prevalence: Insights from analyses of survey data from Zimbabwe

Robertson, L., Gregson, S., Madanhire, C., Walker, N., Mushati, P., Garnett, G. & Nyamukapa, C., Aug 2008, In : Sexually transmitted infections. 84, SUPPL. 1, p. i57-i62

Research output: Contribution to journalArticle

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

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

Research output: Contribution to journalArticle

Drivers of the progress achieved by Peru in reducing childhood diarrhoea mortality: a country case study

Huicho, L., Tavera, M., Huayanay-Espinoza, C. A., Béjar-Díaz, M., Rivera-Ch, M., Tam, Y., Walker, N. & Black, R. E., Dec 1 2019, In : Journal of global health. 9, 2, 1 p.

Research output: Contribution to journalArticle

Open Access

Drivers of the reduction in childhood diarrhea mortality 1980-2015 and interventions to eliminate preventable diarrhea deaths by 2030

Black, R., Fontaine, O., Lamberti, L., Bhan, M., Huicho, L., El Arifeen, S., Masanja, H., Walker, C. F., Mengestu, T. K., Pearson, L., Young, M., Orobaton, N., Chu, Y., Jackson, B., Bateman, M., Walker, N. & Merson, M., 2019, In : Journal of global health. 9, 2, 020801.

Research output: Contribution to journalArticle

Open Access
Open Access

Effectiveness of spatial level of detail degradation in the periphery of head-mounted displays

Watson, B., Walker, N. & Hodges, L. F., 1996, p. 227-228. 2 p.

Research output: Contribution to conferencePaper

Effects of age and training on World Wide Web navigation strategies

Mead, S. E., Spaulding, V. A., Sit, R. A., Meyer, B. & Walker, N., Dec 1 1997, In : Proceedings of the Human Factors and Ergonomics Society. 1, p. 152-156 5 p.

Research output: Contribution to journalConference article

Effects of deworming on child and maternal health: A literature review and meta-analysis

Thayer, W. M., Clermont, A. & Walker, N., Nov 7 2017, In : BMC Public Health. 17, 830.

Research output: Contribution to journalArticle

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

Encoding processes and the recall of text

Walker, N., Jones, J. P. & Mar, H. H., May 1 1983, In : Memory & Cognition. 11, 3, p. 275-282 8 p.

Research output: Contribution to journalArticle

Enhancement of intuitive reasoning through precision teaching and simulations

Thomas, E. W., Marr, J. & Walker, N., Dec 1 1995, In : Proceedings - Frontiers in Education Conference. 2, p. 588-591 4 p.

Research output: Contribution to journalConference article

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

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

Estimates of child deaths prevented from malaria prevention scale-up in Africa 2001-2010

Eisele, T. P., Larsen, D. A., Walker, N., Cibulskis, R. E., Yukich, J. O., Zikusooka, C. M. & Steketee, R. W., Mar 29 2012, In : Malaria journal. 11, 93.

Research output: Contribution to journalArticle

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 : Lancet. 362, 9399, p. 1929-1931 3 p.

Research output: Contribution to journalComment/debate