Two important parameters of Memory Imagery are Vividness and Control of the images.
You probably found yourself manipulating those images of the figures in your mind as you strove to find that the answer was “b.’
As you may have discovered in the above examples, there are two parameters to memory imagery--Vividness and Control.
Vividness: This is the clarity of the image. Can you imagine, for example, how your room looked when you left it this morning.
I can envision the bare closet in my home office with all the clothes slumped in a heap on the floor. I can picture the bed in the corner with the mattress showing because the covers, pillows and a week of dirty laundry are all spread across the floor from wall to wall.
I can even see some dried orange peels scattered about, and a few banana peels and one apple core piled on the computer keyboard.