×

### Let's log you in.

or

Don't have a StudySoup account? Create one here!

×

or

## Chapter 2 Notes

by: Shannan Dillen

7

0

3

# Chapter 2 Notes PSY 2110

Shannan Dillen
Ohio
GPA 3.9

Get a free preview of these Notes, just enter your email below.

×
Unlock Preview

These notes are for chapter 2. They cover scales of measurement, variables, and notation.
COURSE
Statistics for Behavioral Sciences
PROF.
S. Tice-Alicke
TYPE
Class Notes
PAGES
3
WORDS
CONCEPTS
Statistics, Math
KARMA
25 ?

## Popular in Psychology (PSYC)

This 3 page Class Notes was uploaded by Shannan Dillen on Thursday September 22, 2016. The Class Notes belongs to PSY 2110 at Ohio University taught by S. Tice-Alicke in Fall 2016. Since its upload, it has received 7 views. For similar materials see Statistics for Behavioral Sciences in Psychology (PSYC) at Ohio University.

×

## Reviews for Chapter 2 Notes

×

×

### What is Karma?

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 09/22/16
Chapter 2: Basic Concepts Scalesof Measurement – the set of possible numbers that maybe obtained by the measurement process 1. Nominal -placeitems into categories Ex: political affiliation,gender,academic major -no order 2. Ordinal -simplest true scale -organizesevents, objects, etc. along a continuum -ordered according to magnitude Highto low, low to high Ex: freshman,sophomore, junior, senior -don’t know actual numbers, how much more/how much less Ex: Olympic medals 3. Interval -eachscore indicates anactual amount -number represents quantity -equal unit of measurement separating eachscore -allows for negative numbers -canhave a scoreof zero, but it isnot an absolute zero Absolute zero – nothing there, absence of characteristics Ex: Fahrenheit temperature scale,assessments 4. Ratio -eachscore indicates actual amount -equal unit separating each score -score ofzero is an absolute zero -no negative numbers Ex: test scores, number of pets you have Variable–anything that cantake on morethan one specific value Ex: gender,IQ scores,hair color DiscreteVariable –results in a whole number Dichotomous – something that results in two amounts or two categories Continuous Variable –allows for fractional amounts Ex: weight –allows for decimals,but could bea whole number Independent Variable –the variablemanipulatedby the experimenter Ex: amount of exercise Dependent Variable –variablebeing measured Ex: measuring weight Control Group –gets treated likeexperimental group, but gets nothing ofthe independent variable Experimental Groups –get the independent variable To determine which variableiswhich: What is being measured? What is thought to influence the dependent variable? 2 2 Participant X X Y Y XY # times # timessick skipped class 1 5 25 1 1 5 2 4 16 2 4 8 3 3 9 3 9 9 4 2 4 4 16 8 Notation X or Y ∑ - summation sign –to sum, to add – “the sum of…” ∑X =add all xvalues 2 ∑X = square eachxvalue, then sum 2 (∑X )=sum all x values,then square the total (∑X)(∑Y)=sum all xvalues, sum all y values, multiply ∑XY = multiply eachx valueby corresponding y value, then add N = population size; # of casesin the population n = samplesize; # of casesin the sample ∑CX= C∑X The notation ∑CXmeans to multiply every valueof X by the constant C and then sum. A constant is any number that does not changeits value ina givensituation.

×

×

### BOOM! Enjoy Your Free Notes!

×

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

Jim McGreen Ohio University

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Kyle Maynard Purdue

#### "When you're taking detailed notes and trying to help everyone else out in the class, it really helps you learn and understand the material...plus I made \$280 on my first study guide!"

Steve Martinelli UC Los Angeles

#### "There's no way I would have passed my Organic Chemistry class this semester without the notes and study guides I got from StudySoup."

Parker Thompson 500 Startups

#### "It's a great way for students to improve their educational experience and it seemed like a product that everybody wants, so all the people participating are winning."

Become an Elite Notetaker and start selling your notes online!
×

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com