Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/15

Click to flip

15 Cards in this Set

  • Front
  • Back
Inferential Statistics
describes what is happening in a population from a sample
Descriptive Statistics
Using graphs to organize stats
Stratify (when, what, why)
when- observation
what- to divide into subgroups
why- to decrease variation
4 Key concepts in experimental design
randomization, blocking, replication, control
randomization
gets rid of bias
blocking
finding something that is unique and creating sub groups
replication
insuring that you can go from a small sample to a population
control
holds extraneous factors constant
confounded (aka _____)
(extraneous) effects on the response variable cannot be distinguished from each other
experimental condition (aka ___)
(independent) the treatment (what is being tested)
response variable (aka____)
(dependent) what is the outcome
experiment has _____ _____
cause &effect, treatment
observation has ___ _____
no cause & effect, observe whats already there
what is the difference between blocking and stratifying
blocking- experiment, stratifying- observation
how to make an experiment better?
replicate