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

Author Question: When a researcher is confident that results can be attributed to a treatment's influence and nothing ... (Read 184 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
on: Jun 20, 2018
When a researcher is confident that results can be attributed to a treatment's influence and nothing else, it is said that the study is ____ valid.
 
  a. externally
  b. empirically
  c. intrinsically
  d. internally
  e. statistically

Question 2

The most powerful control technique, given the number of influences potentially controlled, is
 
  a. matching.
  c. counterbalancing.
  b. random assignment.
  d. homogeneous selection.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

LVPMS

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


elizabeth18

  • Member
  • Posts: 559
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Graphic display of hypothetical results of a predator removal experiment. Graphic display of hypothetical results of a predator removal experiment.
Summary of greenhouse experimental design and results Summary of greenhouse experimental design and results
Crossing Over Results in Genetic Recombination Crossing Over Results in Genetic Recombination
The relative influence of heredity and the environment in human behavior has fascinated and plagued ... The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
Opener A field of pumpkins, where size is under the influence of additive alleles Opener A field of pumpkins, where size is under the influence of additive alleles
Results of Mendel’s crosses using pea plants. The numbers represent the F2 plants showing a given ... Results of Mendel’s crosses using pea plants. The numbers represent the F2 plants showing a given ...
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library