This topic contains a solution. Click here to go to the answer
|
Author Question: Studies with problems in internal validity automatically will have problems with: A) external ... (Read 99 times) |
Did you know?
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
Did you know?
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
Did you know?
Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.
Did you know?
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Did you know?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.