[Answered] Selection bias and maturation are threats to A) internal validity. B) testing. C) experimental ...

This topic contains a solution. Click here to go to the answer

Author Question: Selection bias and maturation are threats to A) internal validity. B) testing. C) experimental ... (Read 35 times)

NClaborn

Hero Member
Posts: 560

on: Jul 13, 2018

Selection bias and maturation are threats to

A) internal validity. B) testing.
C) experimental mortality. D) double-blind.

Question 2

__________ samples possible telephone numbers using computer -based random sampling.

Fill in the blanks with correct word

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

vish98

Sr. Member
Posts: 326

Reply #1 on: Jul 13, 2018

Answer to Question 1

A

Answer to Question 2

Random-digit dialing

NClaborn

Member
Posts: 560

Reply 2 on: Jul 13, 2018

Thanks for the timely response, appreciate it

cassie_ragen

Member
Posts: 347

Reply 3 on: Yesterday

Gracias!

« previous next »

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.