If a researcher wanted to find out the preferred sexual practices of women between the ages of 20 and 30, what would the best type of research be for this? Group of answer choices case study correlational study experiment survey naturalistic observationA botanist wants to study whether type of light affects plant growth. He gets ten identical plants and treats them all the same, except for the type of light they are under. He then records their growth in centimeters over the course of five weeks. In this scenario, plant growth is the Group of answer choices experimental variable dependent variable independent variable control placebo