Psychological investigation

1. the “thing” that is being measured in the experiment (there can be more than one!). (9, 8)
5. The person who is observing is influenced by expectations. E.g. only focusing on what they want to say. (8, 4)
6. When a study measure or examines what it’s meant to measure (5)
8. Set of guidelines that psychologists should follow- participants should not be embarrassed, have loss of self-esteem, changing a person etc. (6)
9. when every member of a target population has an equal chance of being selected. (6, 8)
10. Data in separate categories such as number of runners that finished a marathon (7, 4)

2. An experiment conducted under highly controlled conditions- IV is being manipulated (3, 10)
3. Refers to how consistent a measuring device is (11)
4. Data that is measured using public unit of measurement such as the times in which the runners finished the marathon (8, 4)
7. When the researcher decides on a time say 5 seconds and then records the behaviour every 5 seconds (4, 8)

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