How are threats to validity affected when studies are conducted in laboratory settings?
a. Threats to both internal and external validity are increased.
b. Threats to both internal and external validity are decreased.
c. Threats to internal validity are decreased, whereas threats to external validity are increased.
d. Threats to internal validity are increased, whereas threats to external validity are decreased.
ANS: C
Feedback
A Studies conducted in laboratory settings have fewer threats to internal validity.
B Studies conducted in laboratory settings have more threats to external validity.
C Studies conducted in laboratory settings have fewer threats to internal validity (control issues) and more threats to external validity (generalizability to other populations).
D Studies conducted in laboratory settings have fewer threats to internal validity and more threats to external validity.
You might also like to view...
The initial medical management for a symptomatic patient with obstructive hypertrophic cardiomyopathy (HCM) would be administering a medication to block the effects of catecholamines
The nurse will anticipate administering which of the following medications? A) Lisinopril, an ACE inhibitor B) Lasix, a diuretic C) Propranolol, a ?-adrenergic blocker D) Lanoxin, an inotropic
A nurse has to move a weak client recovering from surgery from the bed to the wheelchair to take the client to the x-ray unit of the healthcare facility. The nurse wants to make the client as comfortable as possible for this anticipated x-ray
What is the best time frame that the nurse should offer the client PRN pain medication? A) 15 minutes before the client is to get up B) 30 minutes before the client is to get up C) 45 minutes before the client is to get up D) 60 minutes before the client is to get up
A nurse is educating a client who is primigravida about the expected changes during
pregnancy. Which is an example of anticipatory guidance about pregnancy? A) Avoid wearing high heels, especially during late pregnancy B) Inform healthcare provider if bleeding is more than just spotting C) Avoid consuming too much fiber in the diet D) Eat sweets at bedtime to avoid waking up feeling hungry
Ruby is shocked at the elongated appearance of her new baby's head. The midwife's best response would be:
a. ‘Your baby's head is moulded during birth and will return to normal in a few days.' b. ‘All newborn babies' heads are shaped this way.' c. ‘Your baby's head shape had changed during birth and it will take approximately 6 months for it to return to normal.' d. ‘After the soft spot closes, the head will return to normal.'