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

Author Question: Grace randomly assigns college-bound African-American students to an intervention to improve ... (Read 138 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
Grace randomly assigns college-bound African-American students to an intervention to improve mathematics achievement or to a control condition.  A participants in a control group told Grace, the researcher, that his group found out that "the other kids were getting a program to help their math scores" and therefore they decided to get together in a study group once a week to help each other.  Grace was very concerned.  What threat does this student action represent?
◦ Treatment diffusion
◦ Experimenter effects
◦ Multiple treatment interference
◦ John Henry effect


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by lbcchick on Mar 8, 2019

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
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 64% of students answer this correctly




lbcchick

  • Member
  • Posts: 550
Reply 2 on: Mar 8, 2019
Excellent


billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

For a complete list of videos, visit our video library