Filter your search by...
- Division of Behavioral and Social Sciences and Education
- Division on Earth and Life Studies
- Division on Engineering and Physical Sciences
- Gulf Research Program
- Health and Medicine Division
- National Academy of Engineering
- National Academy of Medicine
- National Academy of Sciences
- Policy and Global Affairs
- Transportation Research Board
- Agriculture
- Behavioral and Social Sciences
- Biography and Autobiography
- Biology and Life Sciences
- Computers and Information Technology
- Conflict and Security Issues
- Earth Sciences
- Education
- Energy and Energy Conservation
- Engineering and Technology
- Environment and Environmental Studies
- Explore Science
- Food and Nutrition
- Health and Medicine
- Industry and Labor
- Math, Chemistry, and Physics
- Policy for Science and Technology
- Space and Aeronautics
- Surveys and Statistics
- Transportation and Infrastructure
- Adolescent Health and Well-Being
- Advising the U.S. Global Change Research Program
- Airborne Chemical Exposure
- American Geophysical Union
- Arctic
- BCYF 25th Anniversary
- Biosecurity
- Cancers and Children
- Celebrating the Eclipse: The Sun and Our Space Environment
- Climate Adaptation
- Climate Change
- Clinical Trial Data Sharing
- Competitiveness
- Coronavirus Resources
- Cosmos
- CPNAS Exhibition Catalog Collection
- Crisis Standards of Care
- Critical Issues in Transportation
- Cybersecurity
- Dietary Reference Intakes
- Diversity and Inclusion in STEMM
- Diversity, Equity, and Inclusion
- Emergency Preparedness / Disaster Management
- Energy
- Environmental Health Matters Initiative
- Ethical Foundations of Science
- Everglades
- Evolution
- Flood Resilience: Preparedness and Recovery
- Frontiers of Engineering
- Genomics
- Health Literacy
- Heart Health
- Higher Education
- Highway Planning
- Immigration
- Infectious Disease
- Informal Learning
- International Cooperation to Reduce Global Threats
- Laboratory Safety
- Law and Justice
- Mathematics
- Next Generation Science Standards
- Nutrient Requirements of Animals
- Obesity Prevention
- Oil Spill Prevention and Response and Deepwater Horizon
- Our Most Downloaded 2021 Publications
- Our Most Downloaded 2022 Publications
- Our Planet, Our Future: Nobel Prize Summit Reading List
- Pain Management and Opioid Use Disorder
- Pandemic and Seasonal Influenza Vaccine Preparedness
- Planetary Protection
- Pollinator Conservation
- Quality Chasm
- Reproducibility
- Safe Bridge Design and Construction
- Science Communication
- Social Capital and Social Connectedness
- Space Exploration and Weather
- Stem Cells
- STEM Education
- Supply Chains
- Teaching Math
- The Vital Role of Nursing in Health Care
- Tobacco
- Transportation and Sustainability
- Transportation Emergency Resources
- Urban Planning and Development
- Vaccines
- Veterans Health
- Water Infrastructure
- Wildfires: Preparation, Management, and Health Effects
- Women's Adventures in Science
Sort Results
Search Tools
antenna operation
childhood cancer
childhood leukemia
control sites
deer mice
ecological monitoring
educational process
electric field
electric fields
electrical occupations
experiment design
exposure metrics
final reports
increased odds
increased risk
magnetic field
magnetic fields
melatonin concentrations
midcareer program
monitoring program
northern hardwood
null hypothesis
odds ratio
odds ratios
positive association
rats exposed
relative risks
response variable
response variables
socioeconomic status
spot measurements
studies using
telephone interview
toxicity studies
transmission lines
treatment site
treatment sites
tree swallows
wire code
wire codes
Download Citations
1 - 4 of 4 resultsSearch results for "observational methods"
Filters:
1997
1997
×
The Global Ocean Observing System: Users, Benefits, and Priorities (1997)
National Research Council; Division on Earth and Life Studies; Commission on Geosciences, Environment and Resources; Committee on the Global Ocean Observing System
Earth Sciences
The Lessons and The Legacy of the Pew Health Policy Program (1997)
Sponsored by the Pew Charitable Trusts; Institute of Medicine; Jon A. Chilingerian and Corrine M. Kay, Editors
Health and Medicine
An Evaluation of the U.S. Navy's Extremely Low Frequency Submarine Communications Ecological Monitoring Program (1997)
National Research Council; Commission on Life Sciences; Committee to Evaluate the U.S. Navy's Extremely Low Frequency (ELF) Submarine Communications Ecological Monitoring Program
Environment and Environmental Studies
Consensus Study Report
Possible Health Effects of Exposure to Residential Electric and Magnetic Fields (1997)
National Research Council; Division on Earth and Life Studies; Commission on Life Sciences; Committee on the Possible Effects of Electromagnetic Fields on Biologic Systems
Environment and Environmental Studies | Math, Chemistry, and Physics