Developmental Psychologists Have Attempted to Identify the Effects of Many

Multiple Choice

Developmental psychologists have attempted to identify the effects of many specific child-rearing practices on children's personality traits.The problem with this line of research discussed in the textbook is that

A) parents who use physical punishment won't be honest with the researchers.
B) psychologists cannot agree on whether to use cross-sectional or longitudinal approaches.
C) it is difficult to recruit parents to serve as participants in this research.
D) parents are inconsistent from day to day and over the years.