Author Question: Researchers have studied claims that educationally oriented DVDs can enhance development of language ... (Read 23 times)

EAugust

  • Hero Member
  • *****
  • Posts: 550
Researchers have studied claims that educationally oriented DVDs can enhance development of language in young infants. The research results have shown that
 
  a. exposure to the DVDs actually led to slower language development than if the infants did not watch the DVDs.
  b. the effect is strongest if the infant is introduced to the DVDs as early as the infant can pay attention to them.
  c. it is difficult to get conclusive results because it is nearly impossible to study infants systematically.
  d. the greater the exposure to the DVDs, the greater the language development in the infants.

Question 2

Typically, __________ research designs are more convenient and efficient relative to __________ designs.
 
  a. between-subjects; within-subjects
  b. within-subjects; between-subjects
  c. between-subjects; repeated measures
  d. within-subjects; repeated measures



jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

For a complete list of videos, visit our video library