Author Question: When a researcher rules out plausible alternative explanations, the researcher is establishing ... (Read 68 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
When a researcher rules out plausible alternative explanations, the researcher is establishing internal validity.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

In a Donders C reaction
 
  a. two stimuli are presented on separate trials, and the participant must make a different response to each stimulus.
 b. two stimuli are presented on separate trials, but the participant must respond to only one of them.
  c. one stimulus is presented on each trial, and the participant must respond to that stimulus on every trial.
 d. one stimulus is presented on each trial, but the participant must alternate between two different responses on every trial.



thall411

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

True

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

For a complete list of videos, visit our video library