Summarize Bowlby's ethological theory, highlighting the influence of evolution. How did Harlow's and Ainsworth's research add to what Bowlby theorized?
What will be an ideal response?
Bowlby's theory states that attachment comes from behaviors that increase the baby's chance of survival. Infants use smiling, crying, and seeking to stay near their caregivers. Harlow showed it is contact comfort, not just food as oral gratification or reinforcement, that causes attachment. Ainsworth demonstrated that stranger anxiety and separation anxiety keep infants near their caregivers, which ensures safety and survival.
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A set of n = 3 scores has a mean of M = 10 . Another set of scores has n = 7 and M = 6 . If these two sets of scores are combined, what is the mean for the combined group?
What will be an ideal response?
Identify the correct sequence of childbirth events, from earliest to last
a. Contractions :: delivery :: afterbirth b. Afterbirth :: contractions :: delivery c. Contractions :: afterbirth :: delivery d. Delivery :: contractions :: afterbirth
A sample that does not represent the entire group of interest is called a _____ sample
a) bad b) random c) biased d) partial
Which of the following emotions is likely to be associated with the greatest amount of autonomic nervous system activation?
A. Happiness B. Boredom C. Fear D. Calm