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

Author Question: Which of the following threats to internal validity are not controlled by the pretest-posttest ... (Read 106 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jun 20, 2018
Which of the following threats to internal validity are not controlled by the pretest-posttest
  control-group design?
 
  A) statistical regression B) history
  C) maturation D) instrumentation

Question 2

Your advisor has completed a one-way ANOVA on data from her latest experiment and asks
  you to interpret the results. What should you evaluate to best determine the results?
 
  A) mean scores on the DV for each group
  B) the ANOVA line graph
  C) variance for each group and the degrees of freedom
  D) the ANOVA source table


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

manuelcastillo

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

D


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Jun 20, 2018
:D TYSM

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

The internal female reproductive organs The internal female reproductive organs
Lateral view of the internal male reproductive organs. Lateral view of the internal male reproductive organs.
The stomach. Longitudinal view showing regions and internal structures. The stomach. Longitudinal view showing regions and internal structures.
The internal anatomy of the kidney. The internal anatomy of the kidney.
A variable valve timing solenoid being controlled by applying voltage from the PCM. A variable valve timing solenoid being controlled by applying voltage from the PCM.
Video: Secondary Active Transport

For a complete list of videos, visit our video library