Beliefs that include varied experiences (both positive and negative) of parenting are referred to as

The answer to the question is "Pragmatic realism"

Explanation:

Parenting is often measured by principles adopted by parents which include behavioral complex in influencing the lives of their children and social functioning.

Positive parenting is associated with show of empathy, love, correction towards their children. This serves to lower risk of depression among children and overall boost their self confidence. Negative parenting is associated with show of negligence, lack of care, abusive by parents towards their children.

Pragmatic Realism is the varied experiences which include both positive and negative challenges of parenting.

Pragmatic realism, in this context, explains how parents go about dealing with experiences of positive or negative parenting. It doesn't just stop on how to deal with the situation alone, but pragmatic realism focuses also on addressing situations logically.