Answer:
Test reliability and validity
Explanation:
If a test is consistent with itself across time, it is considered to have a high degress of test reliabilty and validity. If it is reliable, it is also valid.
Answer:
unbalanced weather, such as storms, floods, tsunamis.
Answer:
Official hearings
Explanation:
Official hearings on public issues are held by committees and subcommittees, such that ordinary citizens and expert give their opinions on bills