Article responses
Please read the article and answer the following 6 questions in as much detail as necessary.
Q1. What was the research method used by Davis et al?
What data did they collect?
What was one benefit to their using this method to test their research question?
What is one limitation of their using this method to test their research question?
Q2. Define one type of research validity. Referring to your definition, is Davis et al.’s study valid?
Define one type of research reliability. Referring to your definition, is Davis et al.’s study reliable?
Q3. What were the results of the Davis et al. study? (Reminder: results refer to what was measured, not the conclusions drawn from these data.)
How might one of the developmental theories we learned in class explain this pattern of results?
Q4. How did Davis et al. select their sample? Why did they use this method?
Q5. What do Davis et al. conclude from their study?
Who might benefit from knowing these results, how would you share this information with them, and why?
Q6. An experimenter recently got hit on the head by an errant football at a football game. While being treated for their head trauma, they had an epiphany: cheerleaders provide excellent guides to cheers and thus would be an effective way to teach infants language.
The researcher now wants to conduct a study to test whether cheer squads would be effective at teaching 3-month-old infants language. (A) How would you design the experiment (3 points)? Include the independent and dependent variable(s). (B) What behaviour would you expect to find if infants succeed (1 point)? (C) What would be one limitation to your study design and why (1 point)?
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