ensuring validity of age&sleep
• P: to ensure validity of our research, we implemented a standardised procedure to improve internal validity by minimising inconsistencies in data collection
• E: all participants received the same instructions when completing sleep diaries and questionnaires, which helped ensure consistency across the sample
• E: this reduced variation in how data was collected and minimised the influence of extraneous variables, allowing for a more accurate assessment of a relationship between sleep and mood. We also reduced demand characteristics by ensuring anonymity, which encouraged honest responses and lowered the risk of social desirability bias
• L: by standardising the procedure and reducing bias, we increased the internal validity of our findings, making it more likely that any observed effects were due to changes in sleep patterns rather than external influences
