Module 3: Psychological Research II

Question 1

Statistical Thinking

Answer 1

planning the study, examining the data, inferring from the data, drawing conclusions

Question 2

Distributional Thinking

Answer 2

Data varies, the pattern of that variation is crucial to capture and understand

Question 3

Probability Model

Answer 3

Compare the p-value to some cut -off value (level of significance)
- if the p value is smaller than the level of significance, then we reject the hypothesis

Question 4

Generalizability

Answer 4

related to whether the results from the sample can be applied to the larger population

• choose a random sample
• margin of error: the expected amount of random variation in a stat, often defined for 95% confidence level