Author Question: Research on how to conduct studies on the internet has shown that the highest rate of return occurs ... (Read 77 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
Research on how to conduct studies on the internet has shown that the highest rate of return occurs when the investigator contacts potential respondents through which of the following?
 
  a. Hyperlinks on websites.
  b. Sending information to newsgroups.
  c. Individual email messages.
  d. Announcements of the surveys in major magazines.

Question 2

A researcher designed an experiment to determine whether working under time pressure causes people to make more errors on moderately difficult math problems. In this study, the independent variable is
 
  a. errors
  b. the difficulty of the math problems
  c. performance on math problems
   d. the time participants were given to complete the problems e. none of the above



TheNamesImani

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

C

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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.

For a complete list of videos, visit our video library