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

Author Question: Control in an experiment can be achieved through: a. random assignment of participants to groups. ... (Read 154 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jun 20, 2018
Control in an experiment can be achieved through:
 
  a. random assignment of participants to groups.
  b. experimental design.
  c. logic.
  d. all of these

Question 2

External validity in an experiment is most related to:
 
  a. participant assignment to groups.
  b. representativeness of the sample.
  c. confounding variables.
  d. a pretest.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jayson

  • Sr. Member
  • ****
  • Posts: 350
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

B


joe

  • Member
  • Posts: 627
Reply 2 on: Jun 20, 2018
Wow, this really help

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Negative feedback as a mechanism by which homeostatic control systems operate. Negative feedback as a mechanism by which homeostatic control systems operate.
The Experiment by Albrecht, 1978 The Experiment by Albrecht, 1978
EGT 1 and EGT 2 are used by the PCM to help control after treatment. EGT 1 and EGT 2 are used by the PCM to help control after treatment.
A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ... A latex agglutination test for rheumatoid factor. A positive control at 1. A negative control at 2. ...
Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs Eating a variety of foods from all food groups is the best strategy to meet your daily mineral needs
Example of gene control in bacteria Example of gene control in bacteria
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library