« previous next »

Author Question: Although external validity is a desirable quality in an experiment, it is often attained at the ... (Read 52 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
on: Jul 13, 2018
Although external validity is a desirable quality in an experiment, it is often attained at the expense of
 
  a. generalizability.
  b. random selection.
  c. applicability.
   d. internal validity.

Question 2

The null hypothesis is
 
  a. a tentative solution to the research problem.
   b. the hypothesis that is actually statistically tested.
  c. the prediction that a negative correlation exists among the variables.
  d. all of the above.


stano32

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 13, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

An electron micrograph from an experiment demonstrating the function of a tight junction An electron micrograph from an experiment demonstrating the function of a tight junction
Internal and external hemmorrhoids. Internal and external hemmorrhoids.
External auditory canal External auditory canal
Mercury experiment Mercury experiment
A Schematic Representation of the Flawed Predator Experiment A Schematic Representation of the Flawed Predator Experiment
Internal and External Loci of Control Internal and External Loci of Control
Video: Role of transport in a cell

For a complete list of videos, visit our video library