14. What are some of the challenges researcher face when they want to conduct re

Question

14. What are some of the challenges researcher face when they want to conduct research with non-traditional or special populations of research participants (i.e., those who are not traditional-aged college students)? 15. What are the benefits of conducting research with non-traditional or special populations of research participants (i.c., hose who are not traditional-aged college students)? 16. What opportunities does external validity provide to researchers? 17. What is ecological validity? Provide an example.

Explanation / Answer

14. There are many challenges a researcher may face when they want to conduct research with non traditional/special populations of research participants.They are,

15. Advantages :

16.External Validity is the extent to which the results of a study can be generalized to other situations and to other people.It is concerned about,

Ecological Validity is the extension to which the research findings are generalized to real life settings. Thus studies characterized by low ecological validity cannot be generalized to real-life situations.For example, in a school if the pupils are used to regular testing, then the ecological validity is high because the testing process is unlikely to affect behavior.

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