which method of gathering data will be most effective in learning how diet and fitness choices affect long…

which method of gathering data will be most effective in learning how diet and fitness choices affect long - term health?\n an experiment\n an observational study\n a sample survey\n a census

which method of gathering data will be most effective in learning how diet and fitness choices affect long - term health?\n an experiment\n an observational study\n a sample survey\n a census

Answer

Answer:

B. an observational study

Brief Explanations:

An experiment may be unethical as it involves manipulating diet and fitness. A sample survey and census just gather self - reported data. An observational study can track real - life diet and fitness over long - term to see health impacts.