internal Validity and Reliability

timer Asked: Nov 7th, 2017
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Question description

4) Individual project: Data collection, internal Validity and Reliability, instructions

PRESUME that you will be performing a QUANTITATIVE research project on your topic and question.

Define how you would assure internal and external validity and reliability of the data collection. This means you need to specify the data to collect, how it will be collected, 'interpreted', entered, how the collectors will be trained, and how you will assure (process) validity and reliability.

Craft the data collection instrument (survey or recording form) and instruction then post for review and discussion in the discussion board.

Tutor Answer

Carnegie Mellon University


Surname 1
Student’s name
Professor’s Name
Topic: Spontaneous Volunteers, and How They Impact a Disaster Scene
Research Question: What is the proportion of victims assisted by spontaneous volunteers in a given
disaster scene?
Validity, and Reliability of Data Collection
To ensure internal validity purposive sampling, and vetting of spontaneous volunteers will
be carried out so as to isolate their impact from that of other organized volunteers, and government
rescue missions. The impacts of the organized/government rescue mission will also be measured
alongside that of the spontaneous volunteer so that a comparison is made to determine the level,
and type of impact each category makes. For the purpose of external validity, an adequate sample
of victims in the study area will be achieved through reliable sampling formula such that the
resultant percentage of victims helped by spontaneous volunteers can be generalized to the whole
population, or all disaster scenes.
Pilot testing w...

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