Which of the following is a threat to the internal validity of an experiment using a repeated ...

Author Question: Which of the following is a threat to the internal validity of an experiment using a repeated ... (Read 82 times)

HCHenry

Hero Member
Posts: 591

on: Jun 29, 2018

Which of the following is a threat to the internal validity of an experiment using a repeated measures design?
a. instrumentation effect
b. redundancy effect
c. cohort effect
d. attrition effect

Question 2

The manager who writes the report would be part of which element of the communication process?
a. medium
b. message
c. communicator
d. audience

jasonq

Sr. Member
Posts: 335

Reply #1 on: Jun 29, 2018

Answer to Question 1

A

Answer to Question 2

C

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

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?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.