[Answered] Selection bias can occur if volunteers only are used in a study. 1.True ...

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

Author Question: Selection bias can occur if volunteers only are used in a study. 1.True ... (Read 36 times)

Pea0909berry

Hero Member
Posts: 573

on: Jul 24, 2018

Selection bias can occur if volunteers only are used in a study.
1.True
2.False

Question 2

A study is an observational study if the investigator observes the behavior of a response variable when one or more factors are manipulated.
1.True
2.False

Need homework help now?

Ask unlimited questions for free

Ask a Question

Marked as best answer by a Subject Expert

blakeserpa

Sr. Member
Posts: 338

Reply #1 on: Jul 24, 2018

Answer to Question 1

1

Answer to Question 2

2

Pea0909berry

Member
Posts: 573

Reply 2 on: Jul 24, 2018

YES! Correct, THANKS for helping me on my review

yeungji

Member
Posts: 319

Reply 3 on: Yesterday

Excellent

« previous next »

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?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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.