Dr. Lowe needs to expand his research beyond his small sample to a more diverse and larger sample in order to obtain:
•interrater reliability.
•internal validity.
•a hypothesis.
•external validity.

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The Answer of Dr. Lowe needs to expand his research beyond his small sample to a more diverse and larger sample in order to obtain:
•interrater reliability.
•internal validity.
•a hypothesis.
•external validity.

Dr Lowe Needs to Expand His Research Beyond His Small