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

Author Question: If a lot of time passes between the presentation of each of the levels of your independent ... (Read 22 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jun 19, 2018
If a lot of time passes between the presentation of each of the levels of your independent variables, you should be concerned with history as a threat to ___________________ _ validity
 
  Fill in the blank(s) with correct word

Question 2

Generally, random variables improve the ___________________ _ of an experiment and allow it to be generalized to other people, settings and times.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jun 19, 2018
Answer to Question 1

internal

Answer to Question 2

external validity


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jun 19, 2018
Excellent

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Relationship between levels of COHb in blood and concentration of CO in the surrounding air Relationship between levels of COHb in blood and concentration of CO in the surrounding air
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
Greet a First-Time Client With a Firm Handshake. Greet a First-Time Client With a Firm Handshake.
Disitive Time For Potatoes Disitive Time For Potatoes
Mendel’s observations about segregation and independent assortment are explained by the behavior ... Mendel’s observations about segregation and independent assortment are explained by the behavior ...
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Mechanism of enzyme action

For a complete list of videos, visit our video library