2 Construct vs. Variable
Reality | |||
---|---|---|---|
True | False | ||
Measured | True | Correct |
Type 1 error (False positive) |
False |
Type 2 error (False Negative) |
Correct |
Measurement Error
Moderator vs. Mediator
Validity
![Reliability vs. Validity Reliability vs. Validity](images/This-figure-shows-possible-combinations-of-validity-and-reliability-Each-target_W640.jpg)
Reliability vs. Validity
picture from (Irvine 2019)
Constructs are things we make up, define clearly
Phenomena are observable variables