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 23 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
YES! Correct, THANKS for helping me on my review

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Time Slows Down Near Matter Time Slows Down Near Matter
Levels of Anxiety Levels of Anxiety
Drug development time line. Drug development time line.
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
Antigen presentation to a T cell. Antigen presentation to a T cell.
A mother invests $9000 in a bank account at the time of her daughter's birth. The interest is ... A mother invests $9000 in a bank account at the time of her daughter's birth. The interest is ...
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library