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

Author Question: Why do we have to rely on operational definitions to study abstract hypothetical constructs? What ... (Read 100 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
Why do we have to rely on operational definitions to study abstract hypothetical constructs?
 
  What will be an ideal response?

Question 2

What is the difference between the Pearson r, the Spearman correlation for ranks, and the phi coefficient? How are they similar?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

Abstract hypothetical constructs are hard to characterize because they are not concrete. So we have to find out some objective way to measure them. Any measurement we choose is not going to be exactly the same as the underlying concept, but we need that measurement to represent the hard-to-define idea we want to deal with.

Answer to Question 2

These four tests are mathematically equivalent. You can use the standard formula for the Pearson r for them all, regardless of scale of measurement. The difference among them is that when you have




big1devin

  • Member
  • Posts: 583
Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it


flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

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?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library