TABLE OF CONTENTS

ACKNOWLEDGMENTS ……………………………………………………………………………………. vi
LIST OF TABLES …………………………………………………………………………………………….. viii
LIST OF FIGURES …………………………………………………………………………………………….. ix
CHAPTER Page
1. SPECIFIC AIMS AND HYPOTHESES ……………………………………………………………….1
2. BACKGROUND AND SIGNIFICANCE ……………………………………………………………..4
Working Memory Capacity……………………………………………………………………….4
Working Memory Capacity & Anxiety ……………………………………………………..10
Working Memory Capacity & Mindfulness……………………………………………….17
Acceptance Based Behavioral Therapy and Applied Relaxation…………………..22
The Current Study ………………………………………………………………………………….25
3. METHOD ……………………………………………………………………………………………………….27
Sample ………………………………………………………………………………………………….27
Measures and Tasks ……………………………………………………………………………….30
Primary Outcome Measures ………………………………………………………………30
Additional Measures …………………………………………………………………………32
Automated Operation Span Task………………………………………………………..33
Procedure………………………………………………………………………………………………36
4. RESULTS ……………………………………………………………………………………………………….40
Sample Normality and Equivalence ………………………………………………………….40
Hypothesis 1 ………………………………………………………………………………………….41
Hypothesis 2 ………………………………………………………………………………………….43
Hypothesis 3 ………………………………………………………………………………………….44
Hypothesis 4 ………………………………………………………………………………………….46
5. DISCUSSION ………………………………………………………………………………………………….47
REFERENCES ……………………………………………………………………………………………………55