Azita Wants to Evaluate the Effects of Two New Types

Multiple Choice

Azita wants to evaluate the effects of two new types of word processors (Macrosoft word and Toggle doc) on employees' working efficiency. Twelve employees were randomly selected and grouped into four blocks based on the nature of the work (proofreading, copyediting, technical writing, data analysis) . Within each block, each employee was randomly assigned to use one of the three word processors: Macrosoft word, Toggle doc, and the old word processor. Their working efficiency as measured by the number of files processed per day was compared. Which of the following statements is false?

A) Both the blocking factor and the treatment factor are fixed.
B) The blocking factor and the treatment factor are crossed.
C) It is expected that the blocking factor (nature of work) is related with the number of files processed per day.
D) We can conduct MCP on the interaction between nature of work and type of word processor if it is found to be significant in ANOVA.