In one study, Zacks et al. (2009 ) recorded someone making a sandwich and asked participants to press a button when they thought one action was complete. The results of the study indicated that _____ were indicative of the end of an action.
A) pauses
B) changes in speed
C) changes in hand orientation
D) head movements
Question 2
Which of the following is an important APA guideline that must be followed when conducting research with human participants?
a. Having one or more control groups
b. Providing adequate significance testing
c. Using either random sampling or random assignment
d. Providing informed consent
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