Assuming the experiment was balanced: the number of different treatments used in the experiment, and the number of subjects (separate observations) for each treatment wereGroup of answer choices5 subjects on each of 4 treatments5 subjects on each of five treatments6 subjects on each of 4 treatments6 subjects on each of 5 treatments30 subjects on each of 4 treatments

Select all that applyWhen observations are taken on every possible treatment in a factorial experiment, the design is said to be:Multiple select question.complete.balanced.full factorial.

In an experiment, the group that receives the treatment the researchers want to study is known as the _____ group.Multiple choice question.experimentalcontrolplaceboquasi-experimental

The outcome of an experiment is the number of resulting heads when a 5c coin and a 10c coin are flipped simultaneously. What is the sample space for this experiment?Group of answer choices{HH, HT, TH, TT}{0, 1, 2}{HH, HT, TT}{5c, 10c}

When planning an experiment, which of the following should you seek to avoid?Group of answer choicesAnalysisLogicBiasReplication

Sarah is a researcher at a children's psychiatric center. Her office has just been asked to conduct a pilot study on a new prescription medication used to treat anxiety called Drug X. Sarah wants to figure out if Drug X causes a reduction in anxiety-like the drug company claims. How can Sarah answer this question through a true experiment? Group of answer choicesSarah needs to randomly assign half of her participants to the treatment group and half to a control group for her studySarah needs to conduct a field experiment and should not worry about the random assignment of participants.Sarah needs to randomly assign her participants, and she must only conduct her study at different stages of participants’ lives.