During middle and late adulthood, women become progressively assertive and men become progressively domineering.

- More; more.

Explanation:

Adulthood is described as the stage or lifespan at which one attains the complete physical as well as intellectual maturity. It has been categorized into three significant stages early, middle, and late due to the constant changes observed in humans' physical and psychological traits.

As per the question, during middle and late adulthood women tend to show 'more' assertive qualities as their cognitive skills become more stabilized due to learning from their experiences and practical problem-solving ability enhances at this stage in women while the men become 'more' sequentially authoritarian or domineering due to the cognitive and psychological changes.

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