Answer:
self-concept; working self-concepts
Explanation:
Self-concept can be described or explained as an individual perception of one self or behavior. This can be explained further as the mental picture that one has about himself/herself.
Some examples of self-concept are , when an individual sees himself/herself as an intelligent person, and when a man/woman sees himself/herself as a good spouse.
In this case, Sarah is showing an act which is termed as self-concept because she was showing the mental picture of herself, but in a working manner.
This is an example of negative reinforcement.
Her mother scolded her every time Jane bit her nails - so Jane learned that every time she bites her nails, she is going to be scolded sternly by her mother. In order to avoid that, she stopped biting her nails, and thus the reinforcement was successful.
In order to study personality development, a researcher studies the same individuals at 7, 14, 21, and 28 years of age. In this case, the researcher is using the <u>longitudinal </u>method.
In a longitudinal study, researchers repeatedly take a look at the identical individuals to come across any changes that would occur over a time frame. Longitudinal research are a form of correlational research in which researchers take a look at and acquire statistics on some of variables with out attempting to persuade those variables.
A longitudinal take a look at, like a cross-sectional one, is observational. So, once again, researchers do no longer interfere with their topics. however, in a longitudinal study, researchers conduct numerous observations of the equal topics over a period of time, on occasion lasting a few years.
The longitudinal procedure is one wherein no unique fashion over time is anticipated; the interest is in assessing how an awful lot responses range through the years for a standard man or woman. Observations range up and down over time for each man or woman and it's far the quantity of fluctuation that is the point of interest of the study.
Learn more about longitudinal here: brainly.com/question/15531840
#SPJ4
