You are developing a new test of Working Memory (how much information you can keep in mind and work with at a time). You take the currently accepted test and score a 12 (average) on a scale of 6-18.
You then take your new test three times. Here are the results:
Trial one: 18
Trial two: 18
Trial three: 17
Your new Working Memory test is:
Group of answer choices
reliable and valid
reliable but not valid
neither reliable nor valid
not reliable but valid
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