This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A ____________ is a threat to internal validity when groups in an experiment are not equivalent at ... (Read 30 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
on: Aug 17, 2018
A ____________ is a threat to internal validity when groups in an experiment are not equivalent at the beginning of the experiment with regard to the dependent variable.
 
  a. beginning error
  b. selection error
  c. pretest error
  d. selection bias
  e. experimental bias

Question 2

The ________ technique is used particularly in ecological studies in order to estimate the size of unknown populations.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joneynes

  • Sr. Member
  • ****
  • Posts: 376
Reply #1 on: Aug 17, 2018
Answer to Question 1

D

Answer to Question 2

Mark recapture or tag and release


maegan_martin

  • Member
  • Posts: 532
Reply 2 on: Aug 17, 2018
Gracias!

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

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

Hershey and Chase experiment showing that the genetic material of T2 phage is DNA Hershey and Chase experiment showing that the genetic material of T2 phage is DNA
Abiogenesis Experiment Abiogenesis Experiment
Political parties vs interest groups Political parties vs interest groups
Common Blood Test Groups Common Blood Test Groups
Internal structures of the eye. Internal structures of the eye.
The biochemical basis of the ABO blood groups The biochemical basis of the ABO blood groups
Video: Cardiac conductile cells

For a complete list of videos, visit our video library