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Ivanshal [37]
3 years ago
15

Name at least two advantages of using models in science

Social Studies
2 answers:
Leno4ka [110]3 years ago
6 0

Answer:

Models make concepts more tangible. They also make it possible to notice patterns, develop or revise representations, and predict or explain events or relationships.Explanation:

just took it

Nana76 [90]3 years ago
5 0
It will help find an effect you sometimes over look.
and it can help you find out problems with your experiment.<span />
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Your house is worth $100,000. What are your property taxes each year?
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RESEARCH STUDY 7.2: Dr. Parrett is a sports psychologist for a large Southern university. The provost and chancellor have asked
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Hello. This question is incomplete. The full question is:

"Dr. Parrett is a sports psychologist for a large Southern university. The provost and chancellor have asked him to examine the relationship between athletic performance and academic stress at the university. For example, is it the case that the most talented athletes experience the greatest concern over their grades? The provost and chancellor have made it clear to Dr. Parrett that they want a large amount of external validity in the study. He has valid and reliable measures of both athletic performance and academic stress. He knows that he does not have the time or the money to study the entire population of interest.

Imagine that Dr. Parrett wants to use a nonrepresentative sampling technique. Name the three types of nonprobability sampling and explain how each one could be used by Dr. Parrett."

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The four types of nonprobability sampling are convenience sampling, purposive sampling, quota sampling, and snowball sampling.

Explanation:

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Purposive sampling: It allows the sample to be controlled whenever a certain manipulation is possible to generate expected and known results. In the case of the question above, Dr Parrett can search for specific athletes, with characteristics that will generate an expected result in the research.

Snowball sampling: Allows the individuals who make up the sample to invite other individuals to compose the sample, who in turn can invite other individuals. In the case of the question above, Dr. Parret can invite the athletes he wants and ask them to call friends to participate in the survey as well.

Sampling quota: Allows the individuals who will compose the sample to be selected due to their characteristics and qualities. Regarding the question above, Dr. Parrett could only summon athletes with high marks.

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