One of the greatest challenges faced when collecting information through interviews is research bias. Her approach however helped her to focus on the research in question and rely on accurate information from the respondents. Her findings add on to the recurring theme where the stage of human development is influenced more by the experiences that people have than their age. Her findings further revealed that different individuals believe that they should be classified in different categories other than those suggested by their age. Their opinions are however influenced by the desire to remain in a specific stage of development as they feel they are yet to achieve what they intended before moving on to the next developmental stage. Although some individuals may associate with the characteristics of a higher or lower development stage, age remains an ideal way of determining what stage of development the individual is in.