Author Question: Researchers have studied claims that educationally oriented DVDs can enhance development of language ... (Read 13 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?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library