Author Question: Which of the following is a clear example of an interaction? a. rats given a drug in the morning ... (Read 22 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
Which of the following is a clear example of an interaction?
 
  a. rats given a drug in the morning are more active than rats given placebo and rats given placebo in the evening are more active than rats given drug.
  b. larger print is read faster in bright light than smaller print and smaller print is read slower in dim light than larger print.
  c. compared to drinking non-alcoholic beverages, drinking alcohol makes men more aggressive in a hot room and drinking alcohol also makes men more aggressive in a cool room.
  d. performance on a proofreading task is impaired when others are present rather than alone. The effect is the same whether the others are men or women.

Question 2

Sally selects classrooms of first graders to study the effects of teaching styles on math
   achievement. This is an example of ___________________ _____.
 
  a) stratified random sampling
  b) cluster sampling
  c) proportional sampling
  d) sampling error



moormoney

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

A

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

For a complete list of videos, visit our video library