1) A researcher is curious to see if the amount of time spent on social media influences how often friends meet in person to socialize. After their sample is selected the researcher tells half the sample to spend at least 4 hours each day on social media and the other half to spend no more than 4 hours on social media each day. Then to report back at the end of the month how many times they meet in person with their friends to socialize. What type of study design is this? Case-Control Cohort Cross-Sectional Clinical Trial Q2) A researcher is curious to see if the amount of time spent on social media influences how often friends meet in person to socialize. After their sample is selected the researcher asks the subjects on average how much time they spend on social media each day and then asks their subjects to keep track of how many times they meet in person with their friends to socialize and report back at the end of the month. What type of study design is this? Cross-Sectional Clinical Trial Case - Control Cohort Q3) Trying to measure the weight of your sample with a scale that has not be properly calibrated is an example of what type of bias? Measurement Selection Response Non-Response