Answer: B -planful problem solving
Explanation:
Hylton resorts to planful problem solving to cope with an extremely stressful situation.By focusing on the various options available and creating a detailed spreadsheet for each school he can channel his anxiety in a logical manner. Rationalizing his emotion contributes to his decision. This organization helps him maintain the stress of choosing and finding his graduate school under control.
This is semantic memory.
Semantic memory actually refers to your 'general knowledge' - the information that you know about the world in general. The grandfather's semantic memory is quite strong and it doesn't seem to decline, which is why he is still so good at solving crossword puzzles. This refers to knowledge and memory that we accumulate throughout our lives.
D. Confirmable because they are scientific theory’s and also very famous ones