Growers took red and yellow carrots to create the orange root, just like using a paint box. Before then, carrots were purple, red, white, green, yellow, or black. Carrots are readily available in five main colors in the stores these days: orange, red, purple, white, and yellow. Each color has a different health benefit.
A pilot study, pilot project or pilot experiment is a small scale preliminary study conducted in order to evaluate feasibility, time, cost, adverse events, and effect size (statistical variability) in an attempt to predict an appropriate sample size and improve upon the study design prior to performance of a full-scale research project.
We first describe the milestone development process. 1  Milestone Development: The first phase of system development is concept refinement, and it culminates in Milestone A: new acquisition program approval. The second phase, technology development, ends in Milestone B, at which stage a well-defined system design has been agreed on for addressing an identified need.