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

Author Question: In an investigation of the effects of caffeine on concentration, half the participants were given ... (Read 41 times)

crazycityslicker

  • Hero Member
  • *****
  • Posts: 537
on: Oct 8, 2020

Question 1

In an experiment, which term refers to the variable that is controlled or manipulated by the researcher?

◦ stimulus variable
◦ dependent variable
◦ control variable
◦ independent variable

Question 2

In an investigation of the effects of caffeine on concentration, half the participants were given colas that contained caffeine and half were given decaffeinated colas. In this study, what is decaffeinated cola?

◦ a random factor
◦ a confounding variable
◦ a dependent variable
◦ a placebo
Psychology: Themes and Variations ¦ Weiten, McCann ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by crazycityslicker on Oct 8, 2020

kalskdjl1212

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Oct 8, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly


crazycityslicker

  • Member
  • Posts: 537
Reply 2 on: Oct 8, 2020
Thanks for the timely response, appreciate it

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po
Social and Environmental Effects of Tourism in the Andaman Islands Social and Environmental Effects of Tourism in the Andaman Islands
Summary of the Effects of Massage Cont. Summary of the Effects of Massage Cont.
Combined effects of CO2 and BPG on oxygen binding by hemoglobin Combined effects of CO2 and BPG on oxygen binding by hemoglobin
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ... A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...
Half-life explained Half-life explained
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library