This topic contains a solution. Click here to go to the answer

Author Question: Which variables are manipulated by the researcher(s) in an experiment? a. dependent variables b. ... (Read 142 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
Which variables are manipulated by the researcher(s) in an experiment?
 
  a. dependent variables
  b. independent variables
  c. codependent variables
  d. confounding variables

Question 2

The reason that most research on aging is not truly experimental is because
 
  a. age cannot be measured accurately in most people.
  b. most statistical techniques are not able to use age as a variable.
  c. age cannot be manipulated, so it cannot be an independent variable.
  d. it is hard to get large enough samples to represent different age groups.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Briannahope

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

ANSWER: b

Answer to Question 2

ANSWER: c




rachel9

  • Member
  • Posts: 495
Reply 2 on: Aug 23, 2018
:D TYSM


Mochi

  • Member
  • Posts: 300
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library