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

Author Question: Why would a researcher need to be concerned about the administration of a pretest and posttest in a ... (Read 14 times)

D2AR0N

  • Hero Member
  • *****
  • Posts: 561
on: Jul 8, 2018
Why would a researcher need to be concerned about the administration of a pretest and posttest in a research study?
 
  a. It is a threat to external validity.
  b. It is a threat to internal validity.
  c. It is a form of selection bias.
  d. It is a form of maturation

Question 2

A study in which subjects receive more than one experimental treatment and then are followed over time is based on the ____________ design.
 
  Fill in the blank with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dellikani2015

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 8, 2018
Answer to Question 1

b. It is a threat to internal validity.

Answer to Question 2

crossover


D2AR0N

  • Member
  • Posts: 561
Reply 2 on: Jul 8, 2018
Wow, this really help

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

) Subcutaneous drug administration: (b) the administration site is prepped ) Subcutaneous drug administration: (b) the administration site is prepped
Health History Assessment Questions Pertinent to Drug Administration Health History Assessment Questions Pertinent to Drug Administration
Drug Forms and Routes of Administration Drug Forms and Routes of Administration
Drug Administration Guidelines with Enteral Feedings Drug Administration Guidelines with Enteral Feedings
Summary of Drug Action: Common Routes of Administration Summary of Drug Action: Common Routes of Administration
Ophthalmic drug administration Ophthalmic drug administration
Video: Integumentary Anatomy

For a complete list of videos, visit our video library