Hello! I am so confused on this question, could you please help me? thank you!

Question 15 [1 point} Use the description of the following research problem to answer this and the following question. A researcher is interested in examining whether type of meditation causes changes in people's level of happiness. She hypothesizes that: H1: Zen meditation and Tantric meditation improve happiness over no meditation. She decides that she will need to measure everybody's happiness before they:r meditate to get a \"baseline.\" And she randome assigns people to condition [i.e.. each participant has an equal likelihood of being in each condition} at the start of the experiment. 1. Using R [randomization to condition}I K [administration of treatmentl, CI lobservation} notation. pick the experimental design that the researcher might use to investigate these hypotheses. (For more on R, X. D notation, see here--it will open in a new window.}