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Research Design: A plan for collecting and utilizing data so that desired information can be obtained with sufficient precision or so that an hypothesis can be tested properly.

Rapid and Low-cost Prototyping of Medical Devices Using 3D Printed Molds for Liquid Injection Molding

1Department of Bioengineering & Therapeutic Sciences, University of California, San Francisco, 2Department of Obstetrics, Gynecology & Reproductive Sciences, University of California, San Francisco, 3Keck School of Medicine, University of Southern California

JoVE 51745


 Bioengineering

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging

1Department of Electrical, Computer and Biomedical Engineering, University of Pavia, 2Department of Information Engineering, University of Florence, 3Department of Engineering, Roma Tre University, 4FTMTR&D/SPA, STMicroelectronics, 5Brain Connectivity Center, BCC, Istituto Neurologico Nazionale Fondazione C. Mondino I.R.C.C.S., 6Department of Molecular Medicine - Unit of Pathology, University of Pavia, Foundation IRCCS Policlinico San Matteo

JoVE 55798


 Bioengineering

Long-term Live Imaging Device for Improved Experimental Manipulation of Zebrafish Larvae

1Department of Biomedical Engineering, University of Wisconsin-Madison, 2Morgridge Institute for Research, University of Wisconsin-Madison, 3Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, 4Cellular and Molecular Pathology Graduate Program, University of Wisconsin-Madison, 5Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, 6Department of Pediatrics, University of Wisconsin-Madison

Video Coming Soon

JoVE 56340


 JoVE In-Press

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

1School of Chemistry, University of Sydney, 2Institute for Superconducting & Electronic Materials, University of Wollongong, 3Australian Synchrotron, 4Australian Nuclear Science and Technology Organisation, 5School of Mechanical, Materials, and Mechatronic Engineering, University of Wollongong, 6School of Chemistry, University of New South Wales

JoVE 52284


 Engineering

Generation of a Gene-disrupted Streptococcus mutans Strain Without Gene Cloning

1Department of Translational Research, Tsurumi University School of Dental Medicine, 2Endowed Department of International Oral Health Science (affiliated with Department of Translational Research), Tsurumi University School of Dental Medicine, 3Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University

Video Coming Soon

JoVE 56319


 JoVE In-Press

The Factorial Experiment

JoVE 10058

Source: Laboratories of Gary Lewandowski, Dave Strohmetz, and Natalie Ciarocco—Monmouth University

A factorial design is a common type of experiment where there are two or more independent variables. This video demonstrates a 2 x 2 factorial design used to explore how self-awareness and self-esteem may influence the ability to decipher nonverbal signals. This video leads students through the basics of a factorial design including, the nature of a factorial design and what distinguishes it from other designs, the benefits of factorial design, the importance and nature of interactions, main effect and interaction hypotheses, and how to conduct a factorial experiment.


 Experimental Psychology

A Protocol for Bioinspired Design: A Ground Sampler Based on Sea Urchin Jaws

1Materials Science and Engineering Program, University of California, San Diego, 2Department of Mechanical and Aerospace Engineering, University of California, San Diego, 3Integrative Oceanography Division, Center for Marine Biodiversity and Conservation, Scripps Institution of Oceanography, 4Marine Biology Research Division, Scripps Institution of Oceanography

JoVE 53554


 Bioengineering

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

1New York Water Science Center, U.S. Geological Survey, 2School of Forest Resources, University of Maine, 3Natural Resources Canada, Canadian Forest Service, 4Northern Research Station, U.S. Forest Service, 5Department of Plant and Soil Science, University of Vermont, 6Ottauquechee NRCD, USDA Natural Resources Conservation Service, 7Green Mountain National Forest, U.S. Forest Service, 8Direction de la Recherche Forestière, Ministère du Québec, 9Department of Civil and Environmental Engineering, Syracuse University, 10Division of Environmental Science, SUNY College of Environmental Science and Forestry, 11White Mountain National Forest, U.S. Forest Service, 12Natural Resources and Earth System Sciences, University of New Hampshire, 13Greenwich, NY Field Office, USDA Natural Resources Conservation Service

JoVE 54815


 Environment

Construction and Setup of a Bench-scale Algal Photosynthetic Bioreactor with Temperature, Light, and pH Monitoring for Kinetic Growth Tests

1Department of Civil, Construction, and Environmental Engineering, North Carolina State University, 2Department of Plant and Microbial Biology, North Carolina State University

JoVE 55545


 Bioengineering

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