LOT-R is a measure of optimism, measuring stable dispositions. LOT-R was translated in UrduinPakistanforresearchpurposes.Itisameasuretoassessone-dimensionaldispositionaloptimismwhich is bipolar, ranging from optimism to pessimism. However, many studies contradict the uni-dimensionality of the instrument, showing it to be a bi-dimensional instrument. Participants were 300adults, aged between 18 to 79 years. The questionnaires of LOT-R were filled by the participantsmanually. CFA was done to

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... lish the instrument's validity by testing one-dimensional model inPakistani context. Alpha reliability was also acceptable (α = .56). The need to study the structure of theinstrument in different cultures and with different populations has been highlighted in the literature, ascultural differences are the key elements for understanding optimism. Results confirmed the factorstructureasacceptable.