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A researcher becomes aware that the judges he is using to make observations are becoming more proficient at their task. This improvement among the judges might suggest a potential threat to the internal validity of the study. What is the source of this threat?

Respuesta :

Answer:

Instrumentation

Explanation:

Instrumentation internal validity threat:

There are seven instruments internal threat are as follows:

  • Temporal threat
  • History threat
  • Maturation
  • Attrition
  • Testing

Instrumentation: It is very important for research that the instrument used for the research should be accurate in their measurement because its accuracy will be responsible for the outcomes of the study.  

  • Sampling  
  • Regression

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