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

Author Question: An important measure to decrease threats to internal validity in an experimental study is to a. ... (Read 86 times)

washai

  • Hero Member
  • *****
  • Posts: 523
on: Jul 8, 2018
An important measure to decrease threats to internal validity in an experimental study is to
 
  a. apply the intervention consistently.
  b. improve the precision of measurement methods.
  c. increase the sample size.
  d. randomly assign subjects to study groups.

Question 2

A researcher reviews demographic characteristics of potential study subjects, such as age and gender, to determine whether these characteristics may influence the outcome of the study. This is done to help ensure
 
  a. construct validity.
  b. external validity.
  c. internal validity.
  d. statistical conclusion validity.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ghepp

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: D

Answer to Question 2

ANS: C


washai

  • Member
  • Posts: 523
Reply 2 on: Jul 8, 2018
Gracias!

sultansheikh

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Palade's use of the pulse-chase method to study protein secretion Palade's use of the pulse-chase method to study protein secretion
Palpation of internal carotid artery Palpation of internal carotid artery
Internal and External Loci of Control Internal and External Loci of Control
Internal structures of the female pelvis for landmarks Internal structures of the female pelvis for landmarks
Internal structure of the nose—lateral view Internal structure of the nose—lateral view
Internal Renal Anatomy Internal Renal Anatomy
Video: Cytotoxic T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library