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

Author Question: La Greca et al. (1996) studied a group of children who lived through a severe hurricane in order to ... (Read 50 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
La Greca et al. (1996) studied a group of children who lived through a severe hurricane in order to document the extent to which they experienced posttraumatic stress disorder (PTSD).
 
  The researchers obtained measurements at 3, 7, and 10 months after the hurricane. Such research involves a
  a. withdrawal design.
  b. cohort design.
  c. cross-sectional design.
  d. prospective design.

Question 2

To find out if using night lights affected the development of nearsightedness, a group of researchers asked parents whether their teen-aged children had slept with night lights on as infants. This research illustrates a
 
  a. retrospective design.
  b. cohort design.
  c. cross-sectional design.
  d. longitudinal design.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tandmlomax84

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

d

Answer to Question 2

a




lilldybug07

  • Member
  • Posts: 546
Reply 2 on: Jun 20, 2018
Excellent


nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library