[Answered] Which of the following researchers outlined threats to internal validity many years ago? a. ...

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

Author Question: Which of the following researchers outlined threats to internal validity many years ago? a. ... (Read 27 times)

pepyto

Hero Member
Posts: 547

on: Jul 13, 2018

Which of the following researchers outlined threats to internal validity many years ago?

a. Shadish, Cook, and Campbell
b. Campbell and Stanly
c. Stanly and Cook
d. Shadish and Stanly

Question 2

Student rankings in a class is an example of a(n) scale.

a. ordinal
b. nominal
c. ratio
d. interval

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

gasdhashg

Sr. Member
Posts: 335

Reply #1 on: Jul 13, 2018

Answer to Question 1

B

Answer to Question 2

A

pepyto

Member
Posts: 547

Reply 2 on: Jul 13, 2018

TYSM

ricroger

Member
Posts: 352

Reply 3 on: Yesterday

Excellent

« previous next »

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.