Which of the following statements is not true of scientific experiments?a. They must occur under carefully controlled conditions found in a laboratory.b. They yield useful results regardless of whether the hypothesis is supported or rejected.c. They must be well documented.
Which of the following statements are true about bias in epidemiological studies? (Choose 1 best answer) Random, non-systematic deviation of the study results from the truth (measurement error) causes bias Non-random, systematic deviation of the study results from the truth causes bias Bias can be detected by examining p-values Bias can be detected by examining confidence intervals
