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

Author Question: A major difference between experimental research and ex post facto research is that a. in ... (Read 116 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
on: Jun 20, 2018
A major difference between experimental research and ex post facto research is that
 
  a. in experimental research there are two or more groups of subjects to be compared, while in ex post facto research one group of subjects is being studied.
  b. a test of significance is applied to the data collected in an experiment, while descriptive-type statistics are used to analyze data collected in an ex post facto research.
  c. in experimental research the researcher is always testing a hypothesis, while in ex post facto research hypothesis testing is not involved.
  d. in experimental research manipulation of variables is possible, while in ex post facto it is not possible to manipulate the variables.

Question 2

Choose the internal validity problem that is associated with the situations listed. Presence of the observer increases scores.
 
  a. history
  b. maturation
  c. experimenter effect
  d. statistical regression
  e. diffusion


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juliaf

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

C


Capo

  • Member
  • Posts: 545
Reply 2 on: Jun 20, 2018
Excellent

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Stem cell research may cure diabetes, but lacks funding Stem cell research may cure diabetes, but lacks funding
Major fluid compartments in the body Major fluid compartments in the body
Teres major Teres major
Disease: Major environmental health problems Disease: Major environmental health problems
Descending limbs of Hadley cells are the sites of the world’s major deserts Descending limbs of Hadley cells are the sites of the world’s major deserts
Major Structures of the Human Brain Major Structures of the Human Brain
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library