Assessment 1 - Essay :Format Length: 2000 words (plus or minus 10%) Word (or similar) digital document. Your document should be formatted with 1.5 line spacing.

Assessment 1: Essay

Learning Outcomes • Understand the importance of precision and accuracy in data collection.

Topic Scientific methods Instructions

Part 1 Using OHS examples describe the differences between;

precision

accuracy

variability

reliability

and validity/. (word count 1000 max)

Part 2 The scientific method is a logical and rational way of investigation that helps us to organise our thoughts and procedures and generally we can identify 7 specific steps in this process, these are:

1. Observation

2. Asking a critical question

3. Developing a hypothesis

 4. Making a prediction that can be tested

5. Performing experiments to test the prediction

6. Data collecting and analysis

 7. Making a logical conclusion based on experimental results

Task: You observe that workers in a large open plan office environment tend to complain of headaches by mid-morning, particularly towards the end of the working week and the absenteeism rate amongst this group is much higher that among other employees. Describe how you would use the “7 steps” to investigate this issue. Grammar and referencing