Answer Choices: completely randomized experiment randomized block design

Objective Check Instructions: Determine which scenarios are completely randomized experiments and which are randomized block design. A farmer wants to test the effectiveness of a new type of fertilizer. A field is divided into 20 plots, and 10 are randomly selected to get the new fertilizer, while the other 10 will get the same fertilization used previously. This is a The farmer notices that one side of his field gets more sun than the other. He decides to divide the plots first into two categories, "sun side" and "shade side" and then randomly select half from each to get the new fertilizer. This is a If there are no notable differences or influencing characteristics between the individuals in the whole group that will be a part of the experiment, which type of experimental design makes sense? This is a If there is a characteristic or quality that may additionally influence results of the experiment, such as field conditions, gender of subjects, time of day, etc, what type of experimental design makes the most sense? This is a Check