Questioning Validity of Research

Questioning Validity of Research

Quiz

Which problems may cause a lack of power?
1. The file drawer problem
2. Not using enough participants
3. Not standardizing procedures
4. Using a significance level above .05
5. The ceiling effect
6. floor effects
7. Not using a reliable measure
8. Not having a homogeneous group of participants
9. Not using random assignment
Which of the following may cause a Type 1 error?
1. using an unreliable measure
2. Doing too many statistical tests
3. r-squared
4. The file drawer problem
5. lack of power
6. The ceiling effect
7. Using a significance level above .05
Construct validity is harmed by
1. not using a reliable measure
2. not using an experimental design
3. not using enough participants
4. not using blind techniques
5. not using random assignment
6. not using random sampling
Which of the following could boost internal validity?
1. experimental realism
2. random assignment
3. blind techniques
4. counterbalancing
5. keeping key variables constant
6. random sampling
Which of the following would tend to boost external validity?
1. having experimental realism
2. conducting the study in a lab
3. using random sampling
4. Using blind techniques
5. using random assignment
6. having a homogeneous group of participants

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