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

Author Question: A researcher studies the impact of stress on college students' exam scores. Whether the results of ... (Read 97 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Jun 22, 2018
A researcher studies the impact of stress on college students' exam scores. Whether the results of this study help us to understand the relationship between stress and work performance in real-life institutions is a question of
 
  a. internal validity.
 b. study confounds.
 c. external validity.
 d. the original research hypothesis.

Question 2

Researchers use control groups to
 
  a. make comparisons to the treatment group.
 b. give all research participants an equal chance to participate in the study.
  c. control the hypothesis.
 d. randomize the experiment.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

a


newyorker26

  • Member
  • Posts: 536
Reply 2 on: Jun 22, 2018
Gracias!

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Comet Tempel 1 67 seconds after colliding with the Deep Impact probe. Comet Tempel 1 67 seconds after colliding with the Deep Impact probe.
Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on
Normal Distribution of IQ Scores Normal Distribution of IQ Scores
Symptoms of Stress Symptoms of Stress
The Brain and Body Under Stress The Brain and Body Under Stress
phylogenetic results using the TCF7L2 transcripting mRNA sequence for the 4 listed taxa phylogenetic results using the TCF7L2 transcripting mRNA sequence for the 4 listed taxa
Video: Functional zones in a mitochondrion

For a complete list of videos, visit our video library