How much does the average formal wedding cost in the United States?

When we say a test has reliability,

a. we are implying that test results are attributable to a systematic source of variance. b. the test is presumed to measure some unknown entity. c. the test also has validity. d. there is no limit on the test's validity.

Electric shock has been used as a punisher for self-injurious behaviors

a. True b. False Indicate whether the statement is true or false