83 pts Which method should be used when an intervention or remediation is to be tested on a group that is very small, such as one with less than five participants? Group of answer choices true experimental design known entity research design quasi-experimental research design single-participant research design Flag question: Question 9 Question 93 pts Bill is interested in TV viewership in his hometown and surveys people about their viewing until he concludes that people watch less TV than he expected. However, he asked people about their viewing on a Saturday when his town had a power outage that left half of the town without the ability to watch TV. What threat to internal validity is he experiencing? Group of answer choices history biography testing maturation Flag question: Question 10 Question 103 pts The best definition of ______ is that they are an array of tactics for summarizing, describing, or explaining the nature of scores in a dataset. Group of answer choices open-ended statistics inferential statistics bifurcated statistics descriptive statistics Flag question: Question 11 Question 113 pts The percentage of individuals in a particular group that fall below a particular score is the definition of ______. Group of answer choices triangulation mean proportion percentile