Crudely

He painted the room crudely, leaving streaks and drips on the walls.

The experiment was crudely designed, with many variables left uncontrolled.

The writer crudely summarized the complex scientific concepts in his article.

The crudely carved pumpkin had a lopsided face.

The researcher crudely interpreted the data, resulting in flawed conclusions.

She crudely described the process of the scientific experiment.