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 27 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
Great answer, keep it coming :)

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur The brain. (a) Superior (top) view. (b) Sagittal view of a sectioned brain to reveal internal featur
Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Researchers must inform potential participants of a study's procedures so that consent may be o Researchers must inform potential participants of a study's procedures so that consent may be o
Types of Problems Used to Measure Intelligence Types of Problems Used to Measure Intelligence
Barenboim's study show the change in children's descriptions of their peers Barenboim's study show the change in children's descriptions of their peers
Video: Introduction to Autism

For a complete list of videos, visit our video library