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.
a
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You are watching sleep researchers monitor the sleep of a normal adult. The participant is hooked up to an EEG. What brain waves would you observe as the person becomes drowsy and then enters the first stage of sleep?
A) alpha eventually replaced by delta B) delta eventually replaced by theta C) alpha eventually replaced by theta D) delta eventually replaced by beta
In a classic study of eyewitness accounts and leading questions, people were shown short films showing car collisions
How did the wording of the questions about the accidents influence participants' estimates of the speed the cars were traveling at the time of the collision? What will be an ideal response?