Identify the correct statement regarding the Myers$-$Briggs Type Indicator $($MBTI$).$

A$)$ People who take the MBTI generally do not find it to be an enjoyable experience.

B$)$ Research has concluded that the MBTI is highly valid, reliable, and effective.

C$)$ It is an appropriate tool for measuring job performance.

D$)$ MBTI scores are stable over time.

E$)$ The MBTI is a valuable tool for understanding communication styles.