1) which of the following is characteristic of a good statement of the problem?

• too narrow or too vague problems should be avoided
• controversial subject should not become the choice
• it should state clearly the expected relationships between variables
• all of the mentioned

2) the statement of the problem

• is produced by adding the operational definitions
• is never complete until all the data are collected
• specifies the experimental manipulation
• is a refinement of the initial ideas