Statistics: Three meanings: . a set of procedures and rules (not always computational or mathematical) for reducing large masses of data to manageable proportions and for
allowing us to draw conclusions from those data, used in place of the much better wo
1
t Tests with R
Getting Data into R
Well be using the R files folder that you created several weeks ago, probably in your
Home directory the one where you will store your files for this class. If you were not
here, create a new folder for you to store fi
1
Hypothesis Testing Problem 1
A researcher in the field of lie detection measured the number of instances of deception that a sample of
12 police officers were able to correctly identify in videotaped police interviews. The researcher wants
to determine
One-Way ANOVA Problem #1
Are some events more stressful than others? In this between groups design, corticosterone levels were measured
after each of the following conditions. Find whether there are any significant differences between conditions at
the 5%
SEMINAR 3:
ASSIGNMENT
WORKSHOP 1
Writing
Introduction
s & Methods
Sections
AGENDA
Z-scores round 3
Assignment part 1: Introduction and title page
Assignment part 2: Method
STROOP LAB
Assignment broken down into 4 parts:
1) Title Page & Introduction
1
Running Head: Automated Processing and Stroop Test
Automated Processing and Stroop Test
Avinaash Parmar
Trent University
The Stroop Effect is a marvel that portrays how reading analysis is an automatized. Individuals
consistently read words that are giv
Parmar 1
Running Head: Stroop Test
Stroop Test: An Analysis of Interference Effects
Avinaash Parmar
Trent University
PSYC 2019
Parmar 2
Results
The hypothesis stated that there will be effects of interference such as those who did the word
condition color
Stroop Test Analysis 1
Running Head: STROOP TEST
Stroop Test: An Analysis of Interference Effects
Avinaash Parmar
Trent University
PSYC 2019
Stroop Test Analysis 2
Method
Participants
Seventy-two male and female undergraduate students from a Basic Researc
Introduction
Descriptive Statistics: describe a set of data
For example: A statement about the average length of time it takes a normal mouse to
lick its paw when placed on a warm surface would be a descriptive statistic
Examples from other situations m
Chapter 16- One-Way Analysis of Variance
Analysis of variance (ANOVA): statistical technique for testing for differences in the means of
several groups
One-way ANOVA: analysis of variance where the groups are defined on only one independent
variable
16.1
Chapter 19- Chi-Square
Often used for categorical data
19.1 One classification Variable: The Chi-square Goodness-of-Fit Test
Goodness-of-Fit test: a test for comparing observed frequencies with theoretically predicted
frequencies
Observed frequencies:
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PSYC 2019H: PSYC 2019H: Introduction to R
Navigate to your home drive, which is identified by your username. Create a new folder there
called R files.
Go to Blackboard (Bb) and find the file called practisedata. Save this file to the new R files
folder,
PSYC 2019H: Correlation Exercise
Correlation: Hand Calculations
Is there a correlation between the number of glasses of unsweetened juice that one drinks and
the number of visits to the doctor per year? (Modified example from Heiman, 2011)
Step 1: State t
Running head: EPISTEMOLOGICALBELIEFSANDWAYSOFKNOWINGON
ACADEMICPERFORMANCE
MelissaLaking
EpistemologicalBeliefsandWaysofKnowingonAcademicPerformance
TrentUniversity
RickToth
9:00am
EPISTEMOLOGICAL BELIEFS AND WAYS OF KNOWING ON ACADEMIC
PERFORMANCE
2
A co
Running head: EPISTEMOLOGICAL BELIEFS AND WAYS OF KNOWING ON ACADEMIC
PERFORMANCE
MelissaLaking
EpistemologicalBeliefsandWaysofKnowingonAcademicPerformance
TrentUniversity
RickToth
9:00am
EPISTEMOLOGICAL BELIEFS AND WAYS OF KNOWING
Methods
Participants
Th
Basic Terminology: Statistics Three Meanings
bottom scores)Variability: the degree to which
Frequentist view definition of probability in terms
-A set of procedures and rules for reducing large
individual data points are distributed around the
of past per
Basic Terminology: Statistics Three Meanings
individual data points are distributed around the
Probability: Analytic view definition of probability
-A set of procedures and rules for reducing large
mean. Measures of Variability: Range the measure in terms
1
APA Essentials 2015-16
The following are the crucial elements of a Psychology Laboratory Report.
Virtually everything in this document will earn or cost you marks!
Double-space reports. Use one side of paper only.
Do not use plastic folders or duo-tangs
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Running head: EFFECTS OF TEST STUDY & STUDY ONLY CONDITIONS
Comparison of Performance Between Test-study and Study-only Conditions on Cued and
Free-recall Testing Outcomes
Amal Allouch
ID #0570136
PSYC 2019
WEDNESDAY 18:00
Carly Bumbacco
2
Running head:
Introduction to Statistics
Statistics (set of math procedures for organizing, summarizing, and interpreting info)
o 2 purposes:
to organize, summarize info to see what happened in study and
communicate it to others
answer the questions by determining wh
Central Tendency
Central tendency (determines a single score that defines the center of a distribution)
o 3 measures: mean, median, mode
Mean (add up all scores & divide by # of scores)
o For population=
= X
N
_
o For sample= M or X
M= X
n
Weighted mea
Frequency Distributions
Frequency distribution (an organized tabulation of the # of ppl located in each category
on the scale of measurement)
o Table or graph
o 2 elements:
categories of the original measurement scale
record of the frequency of individu
' Hypothesis Testing Problem 1
. A researcher in the eld of lie detection measured the number of instances of deception that a sample of
12 police ofcers were able to correctly identify in videotaped police interviews. The researcher wants
to determine if
Chapter 20- Nonparametric & Distribution-Free Statistical Tests
Parametric tests: statistical tests that involve assumptions about, or estimation of, population
parameters
Nonparametric tests (distribution-free tests): statistical tests that do no rely o
Chapter 15- Power
Probability of finding a significant difference if the effect you are looking for is real
- if theory is true, results will be statistically significant, if not true, they wont
- probability of correctly rejecting a false null hypothesis
Chapter 13- Hypothesis Tests Applied to Means: Two Related Samples
Related samples: an experimental design in which the same participant is observed under more
than one treatment
Matched samples: an experimental design in which the participants are paire
Running head: LAB REPORT ON TESTING EFFECTS
1
Lab Report on Testing Effects
Nicall Dunford 0599284
Professor: Rebecca Nadar and Rick Toth
Trent University: Psychology Department
TESTING EFFECTS
2
Lab Report on Testing Effects
The purpose of the proposed s
PSYC 2019H Lecture 6
Hypothesis Testing for Two Related Samples
(Chp 13)
t Test for Related Samples
Effect Size
Confidence Intervals
Power (Chp 15; pp.372-382)
Power
Denitions - Research Design
Related Samples
An experimental design in which the same
PSYC 2019H Lecture 7
Hypothesis Testing for Two Independent
Samples (Chp 14)
Sampling Distribution of Differences Between
Means
t Test for Two Independent Samples
Effect Size
Confidence Intervals
1
Denitions - Research Design
Independent Samples or Gr