The similarity between the Havighurst's stage-crisis and Erikson's psychosocial development theories is that they are both based on developmental tasks.
The developmental theory explains that development is continuous throughout a person's entire lifespan.
The theory explains that human's personality develops psychosocially in the order of eight stages from infancy to adulthood.
Hence, the similarity is that they are both based on developmental tasks.
Therefore, the Option A is correct.
Missing options "Both theories are based on developmental tasks., Both theories incorporate eight stages of development., Both theories are based on psychose-xual development., Both theories emphasize that a child's growth is directed by gene activity"
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