Search Results - "Whitehead, Amy L."

An audit of sample sizes for pilot and feasibility trials being undertaken in the United Kingdom registered in the United Kingdom Clinical Research Network database by Billingham, Sophie A M, Whitehead, Amy L, Julious, Steven A

“…There is little published guidance as to the sample size required for a pilot or feasibility trial despite the fact that a sample size justification is a key…”
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Integrating Biological and Social Values When Prioritizing Places for Biodiversity Conservation by WHITEHEAD, AMY L, KUJALA, HEINI, IVES, CHRISTOPHER D, GORDON, ASCELIN, LENTINI, PIA E, WINTLE, BRENDAN A, NICHOLSON, EMILY, RAYMOND, CHRISTOPHER M

“…The consideration of information on social values in conjunction with biological data is critical for achieving both socially acceptable and scientifically…”
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Quantifying the relative contributions of habitat modification and mammalian predators on landscape-scale declines of a threatened river specialist duck by Whitehead, Amy L, Leathwick, John R, Booker, Douglas J, McIntosh, Angus R

“…Habitat modification and introduced mammalian predators are linked to global species extinctions and declines, but their relative influences can be uncertain,…”
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Estimating the sample size for a pilot randomised trial to minimise the overall trial sample size for the external pilot and main trial for a continuous outcome variable by Whitehead, Amy L, Julious, Steven A, Cooper, Cindy L, Campbell, Michael J

“…Sample size justification is an important consideration when planning a clinical trial, not only for the main trial but also for any preliminary pilot trial…”
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The Online What if? Planning Support System: A Land Suitability Application in Western Australia by Pettit, Christopher J., Klosterman, Richard E., Delaney, Phillip, Whitehead, Amy L., Kujala, Heini, Bromage, Andrew, Nino-Ruiz, Marcos

“…Recent advances in cloud computing and the ability to more easily deliver online tools and services provide exciting opportunities for the development and…”
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River water temperatures are higher during lower flows after accounting for meteorological variability by Booker, Doug J., Whitehead, Amy L.

“…River water temperature is known to be important for water quality and ecosystem processes. We quantified the degree to which lower river flows are associated…”
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The statistical interpretation of pilot trials: should significance thresholds be reconsidered? by Lee, Ellen C, Whitehead, Amy L, Jacques, Richard M, Julious, Steven A

“…In an evaluation of a new health technology, a pilot trial may be undertaken prior to a trial that makes a definitive assessment of benefit. The objective of…”
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Guidance for using pilot studies to inform the design of intervention trials with continuous outcomes by Bell, Melanie L, Whitehead, Amy L, Julious, Steven A

“…A pilot study can be an important step in the assessment of an intervention by providing information to design the future definitive trial. Pilot studies can…”
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Dealing with Cumulative Biodiversity Impacts in Strategic Environmental Assessment: A New Frontier for Conservation Planning by Whitehead, Amy L., Kujala, Heini, Wintle, Brendan A.

“…Biodiversity impact assessments under threatened species legislation often focus on individual development proposals at a single location, usually for a single…”
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Assigning trend‐based conservation status despite high uncertainty by White, Richard S. A., Stoffels, Rick J., Whitehead, Amy L.

“…Estimates of temporal trends in species’ occupancy are essential for conservation policy and planning, but limitations to the data and models often result in…”
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Inside or Outside: Quantifying Extrapolation Across River Networks by Booker, Douglas J., Whitehead, Amy L.

“…Regression techniques are often used to predict responses across landscapes or under scenarios describing changes in climate, management, or land cover. The…”
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Pilot and feasibility studies: Is there a difference from each other and from a randomised controlled trial? by Whitehead, Amy L, Sully, Benjamin G.O, Campbell, Michael J

“…Abstract Background A crucial part in the development of any intervention is the preliminary work carried out prior to a large-scale definitive trial. However,…”
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Measuring impacts on species with models and metrics of varying ecological and computational complexity by Hallam, Christopher D., Wintle, Brendan A., Kujala, Heini, Whitehead, Amy L., Nicholson, Emily

“…Approaches to assess the impacts of landscape disturbance scenarios on species range from metrics based on patterns of occurrence or habitat to comprehensive…”
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Assessing the Eutrophic Susceptibility of New Zealand Estuaries by Plew, David R., Zeldis, John R., Dudley, Bruce D., Whitehead, Amy L., Stevens, Leigh M., Robertson, Barry M., Robertson, Ben P.

“…We developed a method to predict the susceptibility of New Zealand estuaries to eutrophication. This method predicts macroalgae and phytoplankton responses to…”
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Nitrogen loads to New Zealand aquatic receiving environments: comparison with regulatory criteria by Snelder, Ton H., Whitehead, Amy L., Fraser, Caroline, Larned, Scott T., Schallenberg, Marc

“…There is concern about the deteriorating nutrient status of aquatic receiving environments in New Zealand. We estimated the amount by which current nitrogen…”
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Communicating biophysical conditions across New Zealand's rivers using an interactive webtool by Whitehead, Amy L., Booker, Doug J.

“…Scientific research is often targeted towards predicting broad-scale patterns in biophysical variables, with spatial data traditionally communicated using…”
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Inter-individual differences in the foraging behavior of breeding Adélie penguins are driven by individual quality and sex by Lescroël, Amelie, Lyver, Phil O’B., Jongsomjit, Dennis, Veloz, Sam, Dugger, Katie M., Kappes, Peter, Karl, Brian J., Whitehead, Amy L., Pech, Roger, Cole, Theresa L., Ballard, Grant

“…Inter-individual differences in demographic traits of iteroparous species can arise through learning and maturation, as well as from permanent differences in…”
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Incorporating Māori values into land management decision tools by Crow, Shannan K., Tipa, Gail T., Nelson, Kyle D., Whitehead, Amy L.

“…Environmental sustainability and the long-term wellbeing of Māori (the indigenous people of New Zealand) are interdependent and degradation of landscapes risks…”
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A Heuristic Method for Determining Changes of Source Loads to Comply with Water Quality Limits in Catchments by Elliott, Alexander H., Snelder, Ton H., Muirhead, Richard W., Monaghan, Ross M., Whitehead, Amy L., Bermeo-Alvear, Santiago A., Howarth, Carl J.

“…A common land and water management task is to determine where and by how much source loadings need to change to meet water quality limits in receiving…”
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Seasonal forecasting of mussel aquaculture meat yield in the Pelorus Sound by Rampal, Neelesh, Broekhuizen, Niall, Plew, David, Zeldis, John, Noll, Ben, Meyers, Tristan, Whitehead, Amy L., Fauchereau, Nicolas, Stenton-Dozey, Jeanie

“…This study develops a novel approach to forecasting anomalies of meat yield from mussel aquaculture in Pelorus Sound, New Zealand, based on the relationships…”
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