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

Author Question: Identify the correct developmental sequence, from earliest to last, in the appearance of these ... (Read 145 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
Identify the correct developmental sequence, from earliest to last, in the appearance of these vocalizations:
 
  a. babbles :: holophrases :: coos.
  b. holophrases :: babbles :: coos.
  c. coos :: babbles :: holophrases.
  d. holophrases :: coos :: babbles.

Question 2

Ethical guidelines allow children to serve in research
 
  a. only with informed consent of the parent or guardian.
  b. as long as the children's names do not appear with data.
  c. without parental informed consent, so long as the child agrees to participate.
  d. if each child is suitably rewarded with toys or candy.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pikon

  • Sr. Member
  • ****
  • Posts: 361
Answer to Question 1

C

Answer to Question 2

A




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Jun 22, 2018
Wow, this really help


zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The FDA recognizes 118 routes of administration.

For a complete list of videos, visit our video library