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

Author Question: Discuss the differences between a controlled experiment and a field experiment. What will be an ... (Read 235 times)

notis

  • Hero Member
  • *****
  • Posts: 596
on: Jul 1, 2018
Discuss the differences between a controlled experiment and a field experiment.
 
  What will be an ideal response?

Question 2

Which of the following statements about racial groups is true?
 
  a. Biological differences allow scientists to identify pure races.
  b. Human groups have exchanged genes to such an extent that it is impossible to identify pure races.
  c. Pure racial groups exist only in societies that have remained isolated.
  d. There is no evidence that separate racial groups have ever existed.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

moormoney

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 1, 2018
Answer to Question 1

The controlled experiment allows the researcher to manipulate an independent variable in order to observe and measure changes in a dependent variable. It is commonly used in a laboratory setting for studies at the micro level. Field experiments are often used out in the real world in evaluating specific social problems where a treatment group of people participate in the program and a control group does not.

Answer to Question 2

B


notis

  • Member
  • Posts: 596
Reply 2 on: Jul 1, 2018
Great answer, keep it coming :)

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Preparation of sterile field 5 Preparation of sterile field 5
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
Testing cardinal field of gaze Testing cardinal field of gaze
In a Millikan experiment, a 6.89E-14 kg charged oil droplet is suspended in the electric field ... In a Millikan experiment, a 6.89E-14 kg charged oil droplet is suspended in the electric field ...
Video: Tuberculosis Testing

For a complete list of videos, visit our video library