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

Author Question: Which of these is NOT a possible explanation for obtaining null results in a valid experiment? a. ... (Read 86 times)

audie

  • Hero Member
  • *****
  • Posts: 532
on: Jun 19, 2018
Which of these is NOT a possible explanation for obtaining null results in a valid experiment?
 
  a. the levels of the independent variable are too similar to each other.
  b. the experimenter used a valid and reliable measure of the dependent variable.
  c. the manipulation of the independent variable was unsuccessful..
  d. the dependent variable is subject to a floor effect.

Question 2

In _____ designs, many measures are taken so that the effect of the treatment can be seen over time.
 
  a. pretest-posttest
 b. single-group
 c. nonequivalent control group
  d. time-series


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jun 19, 2018
Answer to Question 1

B

Answer to Question 2

d


audie

  • Member
  • Posts: 532
Reply 2 on: Jun 19, 2018
:D TYSM

ryansturges

  • Member
  • Posts: 338
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

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

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Examples of the results of sexual selection, a type of natural selection. Examples of the results of sexual selection, a type of natural selection.
Results are shown for proteins denatured by two different environmental changes Results are shown for proteins denatured by two different environmental changes
Mixing schematic Diagram CHE 415 unit operations experiment apparatus Mixing schematic Diagram CHE 415 unit operations experiment apparatus
Monitoring and Following Up on Laboratory Test Results Monitoring and Following Up on Laboratory Test Results
Many diesel fuel additives increase the cetane rating which results in improved fuel economy. Many diesel fuel additives increase the cetane rating which results in improved fuel economy.
Results Seen in Mono-Diff Tests Results Seen in Mono-Diff Tests
Video: Muscular System Animation

For a complete list of videos, visit our video library