Researchers wanted to determine if there was an association between daily cantaloupe consumption and the occurrence of skin cancer. the researchers looked at 93 comma 235 women and asked them to report their cantaloupe-eating habits. the researchers also determined which of the women had nonmelanoma skin cancer. after their analysis, the researchers concluded that consumption of two or more servings of cantaloupe per day was associated with a reduction in nonmelanoma skin cancer. what type of observational study was this