The taxonomy for learning, teaching, and assessing, as presented in your text, uses a matrix to classify learning objectives. this matrix is a revision of the famous original taxonomy developed by:

This matrix is a revision of the famous original taxonomy developed by "Bloom and his colleagues."

The first Bloom's taxonomy has experienced different changes to reflect new advancement in subjective research. The new (adjusted) Bloom's Taxonomy depended on crafted by Anderson and Krathwohl who fuses information from contemporary research on learning and human cognizance into its model.