[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 58 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

Excellent

xiazhe

Member
Posts: 331

Reply 3 on: Yesterday

Wow, this really help

« previous next »

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.