What are potential threats to internal and external


1. What are the steps in the procedure; for example:
_ random assignment of subjects to groups;
_ collection of demographic information;
_ administration of pre-test;
_ administration of treatment(s); and
_ administration of post-test?

2. What are potential threats to internal and external validity for the experimental design and procedure? How will they be addressed?

3.  Will a pilot test of the experiment be conducted?

4. What statistics will be used to analyse the data (e.g., descriptive and multivariate)?

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Physics: What are potential threats to internal and external
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