TY - RPRT TI - Anxiety, discrepancy between need value and expectancy, and internal-external control. AU - P C Nelson AU - E J Phares PY - 1971 DO - 10.2466/pr0.1971.28.2.663 UR - https://pubmed.ncbi.nlm.nih.gov/5581895/ ID - 5581895 ER -