This topic contains a solution. Click here to go to the answer

Author Question: Experimental research requires only one of the following. Which one is an essential component of an ... (Read 115 times)

jlmhmf

  • Hero Member
  • *****
  • Posts: 552
Experimental research requires only one of the following. Which one is an essential component of an experimental study?
 
  a. Manipulating an aspect of the environment
  b. Being able to predict two or more variables
  c. Describing each variable in considerable detail
  d. Studying behavior in a laboratory rather than in a more naturalistic setting

Question 2

In which one of the following situations does a researcher definitely have a problem with the reliability of a data collection technique?
 
  a. Ms. Arthur assesses children's overall physical fitness on Monday; she then assesses it the following Monday. Children who perform well one week are not the same ones who perform well the following week.
  b. Mr. Benavidez uses a test of mechanical aptitude to determine which high school students are ready to take a calculus course. Later, he finds out that the students who got some of the lowest scores on the test are actually some of the best students in the calculus course.
  c. Mr. Candelaria distributes a questionnaire to a group of fifth graders without first obtaining their parents' permission.
  d. To determine the frequency with which young adolescents drink alcoholic beverages, Ms. D'Amato conducts two-hour, one-on-one interviews with a sample of 200 middle school students.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

A

Answer to Question 2

A




jlmhmf

  • Member
  • Posts: 552
Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)


parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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).

For a complete list of videos, visit our video library