When Poindexter took IQ tests on the Internet, he took four tests at the same site and obtained scores of 116, 117, 129, and 130. Given these scores, you conclude that the IQ tests are a. neither...

When Poindexter took IQ tests on the Internet, he took four tests at the same site and obtained scores of 116, 117, 129, and 130. Given these scores, you conclude that the IQ tests are

a. neither reliable nor valid.

b. both reliable and valid.

c. reliable but not valid.

d. valid but not reliable.