Mostly because of the inexperience of the engineers who had been entrusted with the tasks as most of them were professional lawyers. the length of the canal also cast more shadow of doubt on the undertaking besides the lack of sophisticated equipment for the engineering works.
A-B-A-B design could provide the most valid non intervention measure with demonstration of experimental control.
In statistics, the experimental design, also known as the design of experiment (DOE), is described as the layout of an information-gathering experiment in which a variation may or may not be present. Typically, controlled experiments use this phrase. In order to make the results more reliable, these tests minimize the impacts of the variable. In this design, a group of people, plants, animals, etc. may participate in an experimental unit's procedure.
Pre-experimental research designs are the most straightforward kind of experimental research designs in statistics. Following the identification of some factors as causes and effects, a group or groups are kept under observation in this method. Typically, this approach is used to determine whether the targeted group need additional research. This is the reason why this procedure is regarded as being economical.
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Questions that one is not having access to the information.
If a psychologist is assigned to assist in scheming and
criticizing any innovation, project or program which is a community watch for
the police department to decrease crime rate in the given situation, the
psychologist's will be best labelled as a policy evaluator, where he/she will
be evaluating the pros and cons of the planned project or development.
