This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A researcher reports a positive relationship between sugar consumption and activity level for a ... (Read 86 times)

jho37

  • Hero Member
  • *****
  • Posts: 531
on: Jun 19, 2018
A researcher reports a positive relationship between sugar consumption and activity level for a group of eight-year-old children. However, the researcher cannot be sure whether the extra sugar is causing the children to be more active or whether the extra activity is causing the children to eat more sugar. This is an example of the ____.
 
  a. third-variable problem
  b. directionality problem
  c. reversal problem
 d. criterion problem

Question 2

How does the switching-replications design enhance generalizability?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

princessflame2016

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

Because it allows for two independent implementations of the program, the switching-replications design may enhance external validity or generalizability


jho37

  • Member
  • Posts: 531
Reply 2 on: Jun 19, 2018
:D TYSM

xiaomengxian

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Bulk flow by positive pressure (pressure Bulk flow by positive pressure (pressure
Control of glycogen synthase activity Control of glycogen synthase activity
Global consumption of fossil fuel Global consumption of fossil fuel
Peer group activity of adolescents Peer group activity of adolescents
Hormone Activity Hormone Activity
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

For a complete list of videos, visit our video library