Ratner and McCartney (1990) also found that memory was better for ecologically relevant stimuli. It is the opinion of the author that practice may very well improve memory color, especially with ecologically relevant stimuli, and that whenever an association of any type is made between color and context, the stronger the association, the more likely that memory for color will improve. Further studies should have participants report strategies for remembering colors, and compare the participants that employ such strategies as opposed to those who did not. The use of strategies would require the use of cognitive abilities and thereby reinforce memory for color.