task 2

Question 1

what is placebo effect

Answer 1

treatment that has helped someone whether is has a real therapeutic element

Question 2

correlation and causality

Answer 2

correlation does not imply causation. Causation 1 (ice cream ) + Causation 2 ( sunburn) . They are correlated.

Question 3

third variable problem

Answer 3

two variables that may not indicate causal path between them but may arise because both variable are related to a third one (hot weather)

Question 4

validity

Answer 4

i measuring what i want to measure and is the best way to measure it

Question 5

reliability

Answer 5

my measurements are consisten with the results

Question 6

types of bias (4)

Answer 6

personal bias: personal beliefs interfere
confirmation bias: research aim to confirm the theory instead of disapproving it
observation bias: observer expectancy
hawthorne effect. people act differently because they feel observed.

Question 7

Experiment 1: Clever hans

Answer 7

horse doing math. kinda personal and observation bias