You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is For hospital cases and controls, there is different rates of admission to hospitals for people with different diseases, it will lead to what bias? and explain in detail?
Bias Feature Berkesonian bias Different rates of admission to hospitals for people with different diseases Interviewer bias When the interviewer knows the hypothesis and also knows who the cases are Ecological fallacy Assigning people into groups irrespective of the characteristics they may or may not possess Hawthorne effect When subjects of an experimental study change or improve the behavior being evaluated only