Question 1

The interquartile range is a measure of data skewness.

Accepted Answer

A) True 
 B)False

Question 2

The disadvantage of a small sample size in psychology experiments that expect to measure a small to medium effect is that…

Accepted Answer

A)  the study is underpowered, leading to an increased Type I error. 
B)  the study is underpowered, leading to an increased Type II error. 
C)  the study is overpowered, leading to an increased Type I error. 
D)  the study is overpowered, leading to an increased Type I error. 
A)  the study is underpowered, leading to an increased Type I error. 
B)  the study is underpowered, leading to an increased Type II error. 
C)  the study is overpowered, leading to an increased Type I error. 
D)  the study is overpowered, leading to an increased Type I error.

Question 3

The sampling distribution of a mean with a sample size of 50…

Accepted Answer

A)  has a smaller standard deviation than a sampling distribution with the same mean of sample size 30. 
B)  has a smaller standard deviation than a sampling distribution with the same mean of sample size 60. 
C)  has the same standard deviation with the distribution of individual raw data in the population. 
D)  has a different standard deviation than a sampling distribution with the same mean of sample size 100 but we do not know whether the standard deviation will be larger or smaller unless we know the standard error. 
A)  has a smaller standard deviation than a sampling distribution with the same mean of sample size 30. 
B)  has a smaller standard deviation than a sampling distribution with the same mean of sample size 60. 
C)  has the same standard deviation with the distribution of individual raw data in the population. 
D)  has a different standard deviation than a sampling distribution with the same mean of sample size 100 but we do not know whether the standard deviation will be larger or smaller unless we know the standard error.

Question 4

The p value is a conditional probability that is independent of sample size.

Accepted Answer

A) True 
 B)False

The interquartile range is a measure of data skewness.

The disadvantage of a small sample size in psychology experiments that expect to measure a small to medium effect is that…

The sampling distribution of a mean with a sample size of 50…

The p value is a conditional probability that is independent of sample size.

Introduction to Research Methods

The Ethical Imperative

Negotiating the Institutional Review Board Process

Starting Your Research

Focusing Your Question and Choosing a Design

Developing Your Research Protocol

Survey and Interview Approaches

Experimental Designs

Variations on Experimental Designs

Observation, Case Studies, Archival Research, and Meta-Analysis

Neuroscience Methods

Research Over Age and Time

Analyzing Your Data II: Specific Approaches

Writing up Your Results

Publishing Your Research

Filters

Exam 13: Analyzing Your Data I: an Overview

The interquartile range is a measure of data skewness.

The disadvantage of a small sample size in psychology experiments that expect to measure a small to medium effect is that…

The sampling distribution of a mean with a sample size of 50…

The p value is a conditional probability that is independent of sample size.

Introduction to Research Methods

The Ethical Imperative

Negotiating the Institutional Review Board Process

Starting Your Research

Focusing Your Question and Choosing a Design

Developing Your Research Protocol

Survey and Interview Approaches

Experimental Designs

Variations on Experimental Designs

Observation, Case Studies, Archival Research, and Meta-Analysis

Neuroscience Methods

Research Over Age and Time

Analyzing Your Data II: Specific Approaches

Writing up Your Results

Publishing Your Research

Filters