Answer:
a.
Explanation:
The validity of a personality test is best indicated by the correlation between test scores and some other relevant measure. This is because, like any other test, the validity of something is determined by whether or not the test actually measures what is is meant to measure correctly. Therefore to determine the validity of the personality test, test scores must be compared alongside another type of measurement regarding personality.
Answer:
C.
Explanation: It is right.
The Russian Revolution of 1917 was one of the most explosive political events of the twentieth century. The violent revolution marked the end of the Romanov dynasty and centuries of Russian Imperial rule.
D,photographs do not give an accurate picture
