PSY 215 • Final • Statistics for Psychology I

Logic and Purpose of Hypothesis Testing

The Probability Value

The Null and the Alternative Hypothesis

Critical Values, p-values and Significance Level

Steps of the Hypothesis Testing

Effect Size

Errors in Hypothesis Testing

Misconceptions in Hypothesis Testing

Hypothesis Testing 1

Hypothesis Testing 2

Hypothesis Testing 3

Hypothesis Testing 4

Hypothesis Testing 5

Hypothesis Testing 6

Hypothesis Testing 7

Hypothesis Testing 8

Hypothesis Testing 9

The t-statistic

Hypothesis Testing with t

Confidence Intervals

Hypothesis Testing with Confidence Intervals

Introduction to t-Tests 1

Introduction to t-Tests 2

Introduction to t-Tests 3

Introduction to t-Tests 4

Introduction to t-Tests 5

Introduction to t-Tests 6

Introduction to t-Tests 7

Introduction to t-Tests 8

Introduction to t-Tests 9

Introduction to t-Tests 10

Change and Differences

Hypothesis of Change and Differences

Repeated Measures 1

Repeated Measures 2

Repeated Measures 3

Repeated Measures 4

Repeated Measures 5

Repeated Measures 6

Repeated Measures 7

Repeated Measures 8

Repeated Measures 9

Difference of Means

Independent Samples Example

Confidence Intervals

Independent Samples 1

Independent Samples 2

Independent Samples 3

Independent Samples 4

Independent Samples 5

Independent Samples 6

Independent Samples 7

Independent Samples 8

Independent Samples 9

Independent Samples 10

Introduction to Correlations, Variance & Covariance

Visualizing Relations

Three Characteristics of Correlation

Pearson's r (Correlation Coefficient)

Effect Size

Correlation vs. Causation

Range Restriction & Outliers

Correlation Matrix

Correlations 1

Correlations 2

Correlations 3

Correlations 4

Correlations 5

Correlations 6

Correlations 7

Correlations 8

Correlations 9

Correlations 10

Observing and Interpreting Variability

Sources of Variance

Hypothesis Testing in Anova

ANOVA 1

ANOVA 2

ANOVA 3

ANOVA 4

ANOVA 5

ANOVA 6

ANOVA 7

ANOVA 8

ANOVA 9

ANOVA 10

Line of Best Fit

Prediction

Predicting Scores and Explaining Variance

Hypothesis Testing in Regression

Effect Size & Accuracy in Prediction

Linear Regression 1

Linear Regression 2

Linear Regression 3

Linear Regression 4

Linear Regression 5

Linear Regression 6

Linear Regression 7

Linear Regression 8

Linear Regression 9

Linear Regression 10

Introduction

Hypothesis for Repeated Measures ANOVA

Logic of Repeated Measures ANOVA

Calculating a Repeated Measures ANOVA

Repeated Measures ANOVA 1

Repeated Measures ANOVA 2

Repeated Measures ANOVA 3

Repeated Measures ANOVA 4

Repeated Measures ANOVA 5

Repeated Measures ANOVA 6

Repeated Measures ANOVA 7

Repeated Measures ANOVA 8

Repeated Measures ANOVA 9

Repeated Measures ANOVA 10

Introduction

Overview of Eysenck's Study

Interaction & Simple Effects

Effect Size

Factorial Design ANOVA 1

Factorial Design ANOVA 2

Factorial Design ANOVA 3

Factorial Design ANOVA 4

Factorial Design ANOVA 5

Factorial Design ANOVA 6

Factorial Design ANOVA 7

Factorial Design ANOVA 8

Factorial Design ANOVA 9

Introduction to SPSS

Getting to Know SPSS

Compute Variable in SPSS

Descriptive Statistics and Tests of Normality

One Sample t-Test

Reporting One Sample t-Test

An Example of One Sample t-Test

Reporting One Sample t-Test Example

Independent Samples t-Test

An Example of Independent Samples t-Test

Paired Samples t-Test

Correlations

ANOVA (Analysis of Variance)

Linear Regression

Repeated Measures ANOVA

Factorial Design ANOVA