Filters
Question type
Study Flashcards

Which is the correct statement?


A) The healthy group had a lower level of life satisfaction, Z= 2.70, p=.003
B) The healthy group had a higher level of life satisfaction, Z=2.70, p=.003
C) The healthy group had a lower level of life satisfaction, Z=2.70, p=.005
D) The healthy group had a higher level of satisfaction, Z=2.70, =.003

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

Which of the following shows whether scores from two independent groups have roughly equal variances?


A) A t-test
B) Levene's test
C) The Mann-Whitney Test
D) The Wilcoxon Test

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

B

A researcher carries out a t-test to analyse the differences between two conditions.She wishes to use a one-tailed hypothesis.The output from SPSS gives a two-tailed probability of .10.Which value should she use to report the one-tailed associated probability?


A) .010
B) .50
C) .05
D) .10

E) None of the above
F) All of the above

Correct Answer

verifed

verified

C

If we say that the t-test is 'robust in respect of violations of the assumptions' we mean


A) that the violation of assumptions does not make much difference to the results
B) that the t-test is tough and strong
C) that the violation of assumptions means that the assumptions are strong ones
D) all of the above

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Which of the following is a two-group independent design?


A) People with Migraine are measured on stress levels and frequency of migraine attacks
B) A group of patients with Inflammatory Bowel Disease are tested both at baseline and after an intervention to improve their symptoms.
C) People with Irritable Bowel Syndrome are compared with people with Inflammatory Bowel Disease on Cortisol levels.
D) People with lower back pain are treated by weekly sessions of acupuncture for twelve weeks to determine if their back pain reduces

E) All of the above
F) A) and C)

Correct Answer

verifed

verified

C

Which is the most appropriate answer? The Wilcoxon test is used for


A) an independent design where scores are normally distributed
B) a repeated-measures design where scores are normally distributed
C) an independent design where scores are skewed
D) a repeated measures design where scores are skewed

E) A) and B)
F) A) and C)

Correct Answer

verifed

verified

Paired Samples Statistics Paired Samples Statistics Paired Samples Test -Which is the correct answer? A) There is no significant difference in the participants as a result of the intervention B) There is a significant difference in the participants as a result of the intervention; symptoms have improved C) There is a significant difference in the participants as a result of the intervention; symptoms have become worse D) We cannot tell Paired Samples Test Paired Samples Statistics Paired Samples Test -Which is the correct answer? A) There is no significant difference in the participants as a result of the intervention B) There is a significant difference in the participants as a result of the intervention; symptoms have improved C) There is a significant difference in the participants as a result of the intervention; symptoms have become worse D) We cannot tell -Which is the correct answer?


A) There is no significant difference in the participants as a result of the intervention
B) There is a significant difference in the participants as a result of the intervention; symptoms have improved
C) There is a significant difference in the participants as a result of the intervention; symptoms have become worse
D) We cannot tell

E) A) and D)
F) A) and C)

Correct Answer

verifed

verified

Showing 1 - 7 of 7

Related Exams

Exam 1

An Introduction to the Research Process

9 Questions

Exam 2

Descriptive Statistics

10 Questions

Exam 3

The Basis of Statistical Testing

12 Questions

Exam 4

Epidemiology

10 Questions

Exam 5

Introduction to Data Screening and Cleaning

10 Questions

Exam 7

Differences Between Three or More Conditions

10 Questions

Exam 8

Testing Associations Between Categorical Variables

10 Questions

Exam 9

Measuring Agreement: Correlational Techniques

8 Questions

Exam 10

Linear Regression

10 Questions

Exam 11

Standard Multiple Regression

10 Questions

Exam 12

Logistic Regression

10 Questions

Exam 13

Interventions and Analysis of Change

10 Questions

Exam 14

Survival Analysis: an Introduction

10 Questions

Show Answer