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CONSTRUCTION PROCEDURE
The construction of an interview schedule or questionnaire is a time consuming task requiring considerable attention to all the details. The investigator must make many decisions, including whether to use an interview schedule or a self administered questionnaire as well as how to balance open-ended and close-ended questions.
Researcher generally works with an outline of the instrument if it is complex and encompasses a variety of topics. Questions for relevant content area are then drafted or borrowed or adapted from other instruments. Researcher must carefully monitor the wording of each question for clarity, sensitivity to the respondent's psychological state, freedom from bias and reading level. Questions must then be sequenced in a psychologically meaningful order and in a manner that encourages'cooperation.
When the instrument has been drafted, it should be critically reviewed by experts, and pre-tested with a small sample of respondents. Pre-test. is a trial run to determine insofar as is possible whether instrument is clearly worded and free from bias
basic requirements for solving linear programing using simplex method
models in operation research
The Association of Malawi Mechanics has commissioned a study to investigate the link between engine wear and mileage. The main focus of the study is to determine whether the mileag
Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Q3. Solve the following Linear Programming Problem using Simple method. Maximize Z= 3x1 + 2X2 Subject to the constraints: X1+ X2 = 4 X1 - X2 = 2 X1, X2 = 0
Importance of models
Six Operators are to be assigned to five jobs with the cost of assignment in Rs. given in the matrix below. Determine the optimal assignment. Which operator will have no assignment
In this method variables beings studied are controlled by the investigator. In other the effect of one variable is observed while other relevant variables are held constant
Step 1: Research Towers of Hanoi problem The Towers of Hanoi is a problem frequently used to teach recursive programming techniques. Step 2: Run the assembly code from Hanoim
mile-high microbrewery makes a light beer and a dark beer. mile-high has a limited supply of barley, limited bottling capacity, and a limited market for light beer. profits are $0.
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