Define the three levels of understanding in science

List and define the three levels of understanding in science.

Then, indicate which level of scientific understanding is best exemplified in each of the following examples. Provide a justification for each response.

1. A small business owner reviews the number of customers that walk through the door and the total daily sales. They use this data for their regular bookkeeping, but the owner also likes to keep a cumulative record of the total number of customers served by the shop and has kept this record since the business opened five years ago.

2. Hart and Risley conducted a longitudinal study with 42 families living in Kansas. They observed family interactions and recorded data on the number of words spoken to the child as well as the quality of the interactions. After several years of this data collection, they showed a relationship between the families` socioeconomic status (SES) and the number of words in the child`s vocabulary by age 5.

3. Brooke has been suffering from intermittent headaches for several weeks. After careful consideration of variables that may be impacting the onset of headaches, she produces a brief list: dehydration, physical exhaustion, and stress from work. She decides to start by manipulating.