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

Author Question: Ex post facto research is less convincing than experimental research because a. there is no ... (Read 80 times)

fahad

  • Hero Member
  • *****
  • Posts: 570
on: Jun 20, 2018
Ex post facto research is less convincing than experimental research because
 
  a. there is no control over the dependent variables.
  b. differences in the independent variable were present before the start of the study.
  c. differences in the dependent variable were present before the start of the study.
  d. the independent variable preceded the dependent variable in time.
  e. b and c

Question 2

The internal validity threat that randomization eliminates in an experimental study is
 
  a. selection bias. c. instrumentation.
  b. subject effects. d. history.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

matt

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

B

Answer to Question 2

A


fahad

  • Member
  • Posts: 570
Reply 2 on: Jun 20, 2018
Excellent

Joy Chen

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Much time and effort occurs between the development of a research idea and the statistical analysis Much time and effort occurs between the development of a research idea and the statistical analysis
Some organisms used as models in genetic research Some organisms used as models in genetic research
Research Methods Research Methods
Research Methods Research Methods
Research Research
RESEARCH TECHNIQUE RESEARCH TECHNIQUE
Video: Nerve Impulse Transmission Animation

For a complete list of videos, visit our video library