Answer:
Using chunking.
Explanation:
Chunking is a mental process of making groups out of individual facts or information. Our brain stores knowledge easier if it is gathered than if it is separated. So, our memory will work better if we connect and join information.
Avoiding the use of imagery will not help Sheila encode information more effectively. On the contrary, imagery is a productive way of storing information. Vivid explanations and images let us understand better, and, in consequence, memorize more effectively.
Avoiding making associations to her life will neither be useful because this is also a good technique for memorizing. It is always better to connect new information to the one we are already familiar with. By doing that, we make stronger relationships between facts and that way we memorize them better.
Dividing attention is not the most recommended method of encoding information. It means being able to do multitasking activities. In this type of studying, we need to direct our attention to the specific information we are studying and concentrate to understand it and store it.