You can make the thesis statement more precise as follows: Attitudes about parenting have changed in the last 20 years because there has been a need for greater male parental involvement in the care of children.
The thesis statement is an argument that summarizes the position of the author of a text on a subject that will be addressed in the rest of the text. This argument will dictate the bases for the textual elaboration and must be the main element and the foundation for the secondary arguments.
Because of this importance, the thesis statement must be short, objective, and precise, presenting a complete, specific, and easily understandable thought.
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