Question

Dr. Murdoch's research indicated that teen parents tend to develop healthier relationships with female infants than with male infants. Three subsequent studies by other psychologists failed to confirm her results. After reading those studies, Dr. Murdoch suspected that her own studies were flawed in some way. Dr. Murdoch is demonstrating the scientific attitude of _____.

Answer 1

Answer is: humility.
Three main components of the scientific attitude are skepticism, curiosity and humility. 
Humility means being open to the possibility of being wrong, being willing to consider other people's ideas and being respectful.  Intellectual humility opposes forms of pride or excessive resistance to criticism.