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

Author Question: Laura has developed a new treatment to increase spatial ability. She randomly assigns students to ... (Read 118 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Mar 8, 2019
Laura has developed a new treatment to increase spatial ability.  She randomly assigns students to either her intervention or a control condition.  In the treatment condition students engage in working puzzles for twenty minutes a day for 10 days.  Unfortunately, students do not like her intervention and refuse to do puzzles for all of the days.  When she examines post-test means on the spatial ability measure, there are no differences between her treatment and the control condition. Which of the following demonstrates a threat to validity demonstrated in this study?
◦ Instrumentation
◦ Maturation
◦ Testing
◦ Mortality
Educational Research: Competencies for Analysis and Applications ¦ Mills, Gay ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

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

irishcancer18

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Mar 8, 2019
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 44% of students answer this correctly


jessicacav

  • Member
  • Posts: 558
Reply 2 on: Mar 8, 2019
YES! Correct, THANKS for helping me on my review

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

The Head Start program was designed to increase the school readiness of low-income children. The Head Start program was designed to increase the school readiness of low-income children.
Types of Dehydration Disorders and Their Treatment Types of Dehydration Disorders and Their Treatment
The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ... The steel lamination used in an E coil helps increase the magnetic field strength, which helps the ...
A Scatterplot of the Test Scores and Average Grades of 10 Students A Scatterplot of the Test Scores and Average Grades of 10 Students
Researchers compared the ability to recognize various kinds of facial expressions across young adult Researchers compared the ability to recognize various kinds of facial expressions across young adult
An example of continuous variation: biology students organized according to height. An example of continuous variation: biology students organized according to height.
Video: Properties of water -structure of water and polarity (Ionized and polar compounds)

For a complete list of videos, visit our video library