Complex sentence: Mental models can help shape behaviour and set an approach to solving problems (similar to a personal algorithm) and doing tasks.external reality, hypothesized to play a major role in cognition, reasoning and decision-making.
Split into simpler sentences: Mental models can help shape behaviour and set an approach to solving problems (similar to a personal algorithm) and doing tasks. A mental model is a kind of internal symbol or representation of external reality, hypothesized to play a major role in cognition, reasoning and decision-making.