« previous next »

Author Question: A company was interested in learning if training expenditures will enhance its salesforce ... (Read 54 times)

Garrulous

  • Hero Member
  • *****
  • Posts: 686
on: Jun 29, 2018
A company was interested in learning if training expenditures will enhance its salesforce productivity, so they hired a researcher to conduct an experiment in which one group of salespeople received training and the other didn't. The average sales for salespeople who received training was significantly higher than for those who did not. This difference in means between the two groups is known as a(n) _____ effect.
 a. placebo
  b. main
  c. covariate
  d. interactive

Question 2

_______________ is a data-based selection bias that occurs when data are deemed bad using arbitrary criteria, often as they come in, instead of using explicitly-stated or previously agree-upon standards.
 a. Endpoint selection c. Premature termination
  b. Ad hoc rejection d. Drop-out bias


lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 29, 2018
Answer to Question 1

B

Answer to Question 2

B
With ad hoc rejection, the researcher decides arbitrarily that a piece of data looks bad and is, therefore, rejected.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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.

Using concept maps as a learning strategy Using concept maps as a learning strategy
REM Sleep and Learning REM Sleep and Learning
This headache remedy was “guaranteed” by the drug company; 1906. This headache remedy was “guaranteed” by the drug company; 1906.
Pharmaceutical Company Representatives Pharmaceutical Company Representatives
Shaping in Animal Training Shaping in Animal Training
A company purchased 26 desks for $240 each and 18 chairs for $59 each. Compute the total ... A company purchased 26 desks for $240 each and 18 chairs for $59 each. Compute the total ...
Video: Neurosynapse Animation

For a complete list of videos, visit our video library