To test the effectiveness of different modular planter designs, we could set up a controlled experiment. First, identify key variables such as material, drainage, and ease of assembly. Then, construct a small batch of each design and measure plant growth, water retention, and maintenance requirements over a defined period. Hypothesis: Designs with better drainage and ease of assembly will show higher plant health and lower maintenance needs.
This is a strong experimental plan, Dr. Moss. To improve it, consider adding a qualitative component: gardener feedback on usability and aesthetic appeal. Also, specify criteria for 'ease of assembly' and standardize watering schedules to reduce confounding variables. This will strengthen both the rigor and applicability of your findings.