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

Author Question: Which of the following researchers outlined threats to internal validity many years ago? a. ... (Read 74 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
on: Jul 13, 2018
Which of the following researchers outlined threats to internal validity many years ago?
 
  a. Shadish, Cook, and Campbell
  b. Campbell and Stanly
  c. Stanly and Cook
  d. Shadish and Stanly

Question 2

Student rankings in a class is an example of a(n) scale.
 
  a. ordinal
  b. nominal
  c. ratio
  d. interval


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

A


pepyto

  • Member
  • Posts: 547
Reply 2 on: Jul 13, 2018
:D TYSM

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f
A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a
Atmospheric CO2 Concentrations Increased Very Rapidly during the Last 200 Years Atmospheric CO2 Concentrations Increased Very Rapidly during the Last 200 Years
Ascaris. (Sinclair Stammers/Science Photo Library/Photo Researchers, Inc.) Ascaris. (Sinclair Stammers/Science Photo Library/Photo Researchers, Inc.)
Literacy Development in the Early Years: Helping Children Read and Write Literacy Development in the Early Years: Helping Children Read and Write
frog internal frog internal
Video: Brain Anatomy Animation (Part 2 of 2)

For a complete list of videos, visit our video library