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a strategy that directs a researcher in planning and implementing a study in a way that is most likely to achieve the intended goal.
case study design an investigation strategy involving extensive exploration of a single unit of study, which may be a person, family, group, community, or institution, or a very small number of subjects who are examined intensively. The number of variables is usually very large.
cohort design longitudinal design.
cross-sectional design a research strategy in which one or more group(s) of subjects are studied at one given point in time.
experimental design a research design that eliminates all factors that influence outcome except for the cause being studied (independent variable). All other factors are controlled by randomization, investigator-controlled manipulation of the independent variable, and control of the study situation by the investigator, including the use of control groups.
longitudinal design a research strategy in which one or more group(s) of subjects in various stages of development are examined simultaneously with the intent of inferring trends over time. The assumption is that the phenomenon under study progresses with time. Called also cohort design.
methodological design a process used to develop the validity and reliability of instruments to measure constructs used as variables in research.
nonequivalent control group design a study design in which the control group is not selected by random means.
partial correlation design a design developed to eliminate the influence of a third variable on a relational pattern by holding it constant mathematically, so that the magnitude of the relationship between the two remaining variables can be determined.
path analysis design a design to determine the accuracy of a theoretical model: a hypothesized causal model is developed from the theoretical model and the major variables within it are measured and relationships among them determined; regression analysis is used to determine whether the data are consistent with the model.
survey design a design in which data are collected with questionnaires or through personal interviews with members of an identified population.
time dimensional design an investigation strategy for the examination of sequence and patterns of change, growth, or trends across time; see also prospective study and retrospective study.
trend design a research strategy to examine changes in the general population in relation to a particular phenomenon by means of data collected at predetermined intervals of time from different samples selected from the general population.


(1) See Design configuration (clinical trials).
(2) A design for an application to support an action on electronic records (eClinical trials).


See Double-masked design, Enrichment design, Experimental design, Masked study design, Open design, Rational molecular design, Single-masked design, Structure-based design, Universal design, Zelen design.


1. To devise, plan, or contrive.
2. the act or result of designing.
[L. designo, to appoint, designate]


v 1. to plan or delineate by drawing the outline of a proposed prosthesis.
n 2. the graphical and artistic representation of a plan.

Patient discussion about design

Q. Alcohol designator Order? What is an Alcohol designator Order?

A. Hello friend, Council can apply for an order to restrict public drinking in a particular area or areas. An order sets out the public areas affected e.g. streets, parks and open spaces, where the police could ask people to stop drinking alcohol if their behavior is deemed to be anti social. The police will be able to confiscate and dispose the alcohol and people could face a fine of up to £500 or arrest for refusing to cooperate.

Q. How to design and run a Ambulance Service effectively. Different Models, Costs, Safety features, Planning, Strategy, Promotions, Partnerships, Risks etc...

A. Hmm... this website ( ) contains a lot of information about how to run an ambulance service, from addresses to fee tables.

Hope I could help!

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References in periodicals archive ?
One of his earliest moves was to introduce a 15-strong Advanced Design studio, headed by Julian Thomson, which has taken the lead role in bringing the R-Coupe to life, working with Callum to develop Jaguar's new design philosophy and design language.
FUTURISTIC: Jaguar's R-Coupe provides an insight into the company's long-term design philosophy
Its signature placemaking design philosophy employs a co-creative process, which invites the participation of the multiple design disciplines that are needed to create an experiential environment from the earliest conceptual phases.
Both highly creative with a similar design philosophy and style, they brainstorm concepts resulting in solutions that work well for their clients.
Tony Lock, Senior Manager, Marketing and Sales Color Products, for OKI Printing Solutions (EMEA) comments: "This year, OKI Printing Solutions has pushed the boundaries in order to achieve outstanding innovation; first in launching its new award-winning design philosophy showcased in the C3000 Series, and now with this category defining product.
Adhering to the design philosophy 'less is more,' we created a crisp, bright, stark white backdrop," explained Douglas Horst, principal of HDI.
The design philosophy surrounding the FITEL S122 series is to deliver high-quality splices easily and precisely, no matter the user's skill level, and no matter the splicing environment," said Jason Greene, fusion splicer product manager for Furukawa America.
Amulet's innovative hardware, software and collaborative design philosophy empower OEM's to provide the best graphical user experience to their customers.
Yosemite's design philosophy, expressed as "Backup Simplified," builds on a platform-agnostic approach to backup, entailing native support for Windows, Netware, and Linux.
K2M is a provider of high quality innovative spine technologies based around its Surgeon Driven Design philosophy - resulting in better products with shorter time to market.
We believe only SUSS can offer load locked systems for advanced MEMS device fabrication, because of the fundamental design philosophy of our wafer bonders.

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