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This is because if the player is not happy with the goal, there is a reflex action that is directly transmitted to his facial expression thereby showing his mood at the goal.
A statement from the player about his feeling of the goal is an example of unreliable test item e.g. “I was happy for the goal”. This is because the player can easily lie about how he felt This is because from his profession the customer is expected to be happy for his teammates.
A reliable item will be consistent. Like in this scenario, if the player shows the same facial expressions for all the goals that have been made, then he stands a chance of not being jealous. However if during the past goals he had a happy face then on this goal he shows some signs of unhappiness in his facial expressions then there are reasons to believe that he was not happy with the
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(“Test item reliability-ANOVA Research Paper Example | Topics and Well Written Essays - 750 words”, n.d.)
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(Test Item Reliability-ANOVA Research Paper Example | Topics and Well Written Essays - 750 Words)
“Test Item Reliability-ANOVA Research Paper Example | Topics and Well Written Essays - 750 Words”, n.d. https://studentshare.org/statistics/1599470-test-item-reliability-anova.
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