Found 338 datasets matching "longitudinal survey".
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Background The loss of participants in longitudinal studies due to non-contact, refusal or death can introduce bias into the results of such studies. The study described here examines...
Search relevance: 140.69 | Views last month: 0 -
The NLSY97 standalone data files are intended to be used by crime researchers for analyses without requiring supplementation from the main NLSY97 data set. The data contain age-based calendar year...
Search relevance: 96.79 | Views last month: 0 -
The National Crime Victimization Survey (NCVS) Series, previously called the National Crime Surveys (NCS), has been collecting data on personal and household victimization through an ongoing...
Search relevance: 90.56 | Views last month: 1 -
The Old Erie Canal has undergone sedimentation and aquatic growth that have restricted flow and diminished the aesthetic quality of the canal during the nearly 200 years since its construction....
Search relevance: 82.90 | Views last month: 0 -
National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) was designed to assess the prevalence of alcohol use disorders (AUD) and their associated disabilities in the general...
Search relevance: 67.14 | Views last month: 76 -
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and McAlpine Locks and Dam (river mile...
Search relevance: 64.84 | Views last month: 0 -
Velocity and water-quality surveys were completed along an approximately 71-mile reach of the Ohio River between Markland Locks and Dam (river mile 531.5) and McAlpine Locks and Dam (river mile...
Search relevance: 64.04 | Views last month: 0 -
Dr. Richard Janda of the USGS began a channel monitoring program in Redwood Creek in northern coastal California in 1973. The USGS continued this work through 2013, when the Research Geologist,...
Search relevance: 62.06 | Views last month: 1 -
These data were compiled for analyses of sediment transport within the Chippewa River, WI. Objective(s) of our study were to determine sand loads contributed by the Chippewa River to the...
Search relevance: 46.72 | Views last month: 1 -
This dataset represents 25 parallel longitudinal profiles that were extracted from terrestrial lidar point clouds taken during six survey periods. The six lidar surveys were conducted between 7...
Search relevance: 43.56 | Views last month: 0 -
The National Longitudinal Study of the High School Class of 1972 (NLS-72) is part of the Secondary Longitudinal Studies (SLS) program; program data is available since 1972 at...
Search relevance: 43.19 | Views last month: 0 -
Field survey of the longitudinal profile and off-channel habitats (side channels and alcoves) of the lower Cedar River from Landsburg to Renton, WA were conducted in 2010 and 2013 respectively....
Search relevance: 41.94 | Views last month: 1 -
The High School Longitudinal Study of 2009 (HSLS:09) is part of the High School Longitudinal Study (HSLS) program. HSLS:09 (https://nces.ed.gov/surveys/hsls09/) is a longitudinal survey that...
Search relevance: 41.65 | Views last month: 1 -
High School and Beyond (HS&B) is a study that is part of the Longitudinal Studies Branch (LSB) program; program data is available since 1980 at...
Search relevance: 41.41 | Views last month: 1 -
The Project on Human Development in Chicago Neighborhoods (PHDCN) was a large-scale, interdisciplinary study of how families, schools, and neighborhoods affect child and adolescent...
Search relevance: 41.27 | Views last month: 0 -
Tabular results of the Annual Technology Survey, submitted to the Office of the Superintendent of Public Instruction (OSPI). This dataset combines multiple years of the survey data to allow...
Search relevance: 40.60 | Views last month: 4 -
This dataset includes georeferenced high-resolution, airborne thermal infrared (TIR) imagery, a polyline shapefile of the channel centerline, and a tabular file with longitudinal stream...
Search relevance: 38.02 | Views last month: 0 -
In 2019, the U.S. Geological Survey (USGS), in cooperation with the Upper Colorado River Wild and Scenic Stakeholder Group, studied the magnitude and recurrence interval of streamflow needed to...
Search relevance: 37.67 | Views last month: 0 -
The Education Longitudinal Study of 2002 (ELS:2002; https://nces.ed.gov/surveys/els2002/) is a study that is a part of the Education Longitudinal Study program. It is a longitudinal survey that...
Search relevance: 37.56 | Views last month: 0 -
This dataset consists of survey data from a longitudinal profile of water surface surveyed June 23-24, 2013 at Exit Creek, a stream draining Exit Glacier in Kenai Fjords National Park, Alaska. The...
Search relevance: 36.98 | Views last month: 0
