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A student wants to know why sandhill crane‘s fly south for the winter. The student uses a map of North America to make a model of the paths sandhill cranes take as they migrate. The student draws lines with arrows to show the routes sandhill cranes are known to take. Which two issues describe limitations of the students models?

Respuesta :

michell96

Two limitations of the student's models are that the models do not explain why the phenomenon occurs and the models only record the phenomenon in a limited way

Understanding a specific phenomenon requires gathering and analyzing data thoroughly because the researcher needs to collect data that is directly related to the phenomenon and this data needs to be complete and accurate to have reliable conclusions.

In this situation, the student created some models of the routes of the sandhill crane's migration. This data has two main limitations:

  • It does not answer the question "why?": If the student wants to understand why these birds go to the South, the models are not very useful because they show "how" these birds migrate but not the reason for this migration.
  • It records the migration only in a limited way: For the models to be complete the student needs to record the migration pattern for two years or more, as the pattern might change

Based on this, two limitations of the models are that they do not explain the phenomenon and the data is not complete.

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