« previous next »

Author Question: A researcher is conducting a study in which a treatment group is compared to a no-treatment control ... (Read 91 times)

mpobi80

  • Hero Member
  • *****
  • Posts: 519
on: Jun 19, 2018
A researcher is conducting a study in which a treatment group is compared to a no-treatment control group. The treatment group is tested in the lab and the control group is tested in a classroom. Time is likely to be a threat to the internal validity of the study.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Larger surveys and controlled studies generally employ nonprobability sampling techniques.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Sammyo

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jun 19, 2018
Answer to Question 1

False

Answer to Question 2

False


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
Genetic control of eye evolution. Genetic control of eye evolution.
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Blood Group Identification by Antigen and Antibody Blood Group Identification by Antigen and Antibody
A group of children were asked how many hours a day they spend watching television. A group of children were asked how many hours a day they spend watching television.
Splicing mechanism for removal of group I introns Splicing mechanism for removal of group I introns
Video: Types of synapses - electrical & chemical

For a complete list of videos, visit our video library