« previous next »

Author Question: Careful participant selection increases A) normal validity. B) external validity. C) construct ... (Read 58 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Aug 4, 2018
Careful participant selection increases
 
  A) normal validity.
  B) external validity.
  C) construct validity.
  D) statistical validity.

Question 2

What is the major reason for careful participant selection?
 
  A) It generates clear research hypotheses.
  B) It reduces statistical errors.
  C) It improves internal validity.
  D) It enhances external validity.


bd5255

  • Sr. Member
  • ****
  • Posts: 386
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

External View of the Right Eye External View of the Right Eye
External and cross-sectional view of an infarct caused by a myocardial infarction. External and cross-sectional view of an infarct caused by a myocardial infarction.
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski
Vision. Normal vision and vision problems. Vision. Normal vision and vision problems.
A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ... A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ...
Clonal selection Clonal selection
Video: Membrane Protein and Facilitated Transport (Passive Vs Active)

For a complete list of videos, visit our video library