How many different conditions are there? a) none b) one c) two d) ...

Author Question: How many different conditions are there? a) none b) one c) two d) ... (Read 69 times)

Lobcity

Hero Member
Posts: 524

on: Jul 13, 2018

How many different conditions are there?

a) none
b) one
c) two
d) three

Question 2

Selection is a threat to the internal validity of which of the following designs?

a. Nonequivalent comparison group design
b. Interrupted time-series design
c. Regression-discontinuity design
d. All of the above

fauacakatahaias

Sr. Member
Posts: 353

Reply #1 on: Jul 13, 2018

Answer to Question 1

D

Answer to Question 2

A

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.