Author Question: One problem in using a cross-sectional design in developmental research is that a. sample ... (Read 78 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
One problem in using a cross-sectional design in developmental research is that
 
  a. sample attrition is likely to occur.
  b. there may be a cohort effect.
  c. there may be carryover effects.
  d. there may be a history effect.

Question 2

Averaging over two or three consecutive observations is one method for dealing with ____.
 
  a. trends in the data
 b. phase changes
 c. unstable data
 d. a treatment that has a relatively small effect



peter

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

B

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library