Investigator Effects And Participant Effects

Question 1

What is investigator bias?

Answer 1

When an influences participant behaviour and record data that supports their hypothesis

Question 2

What are investigator effects?

Answer 2

• Form of investigator bias
• when something about the investigator has an effect on participant benavior su respond differently to houtney would normally

Question 3

What are some examples of investigator effects?

Answer 3

• Researchers characteristics (age, gender, ethnicity)
• researchers behaviour (body language, tone)
• Researchers expectations (conscious or subconscious)

Question 4

What are demand characteristics?

Answer 4

• Cues in a research study that convey the hypothesis to participants
• results in participant reactivity and impact validity ot research

Question 5

what are participant effects (participant reactivity)?

Answer 5

• participant is aware they are being studied
• participants react to research situations e.g. some p’s wish to be cooperative with researcher while others try to do the opposite
• these motivations affect p’s behaviour
• social desirability bias is a form of participant effect

Question 6

what is a single blind technique?

Answer 6

concealing from participants in the condition they are in

Question 7

what is double blind technique?

Answer 7

concealing from both participants and experimenter which conditions participants are in

Question 8

what is a masked design?

Answer 8

participants know which group/condition they are in but researcher does not