__________ refers to the consistency of measures in a research study, whereas __________ refers to the truthfulness of a measurement.
A. Reliability; validity
B. Validity; reliability
C. Variance from the mean; standardization
D. Standardization; variance from the mean
Answer: A
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In experienced meditators, EEG recordings of the frontal lobes of the brain during meditation feature increased levels of which type of brain waves?
a. ?alpha waves b. ?beta waves c. ?delta waves d. ?theta waves
Whereas mental abilities decline gradually with Alzheimer's disease, they are often sudden in cases of vascular dementia.
Answer the following statement true (T) or false (F)
One-sample z tests are seldom used because _____
a. the population mean and standard deviation are seldom both known b. the sample mean and standard deviation are seldom both known c. the calculations are too complex d. no conclusions can be drawn from the results of the test
Sanat and Mohammad both have black hair and brown eyes. Their son Ayman has black hair and brown eyes
It would be necessary to know the underlying combination of genetic material in order to confirm that Ayman has received similar genes from both his parents. If Ayman has received similar genes from both parents, he is said to be ___________ for those traits. a. homozygous c. genus b. heterozygous d. phyla