Psychology 1004: Exam 2/ Chapters 4-6 2024/2025 Exam Questions and Corresponding Answers with Surety of 100% Pass Mark

Psychology 1004: Exam 2/ Chapters 4-6
2024/2025 Exam Questions and
Corresponding Answers with Surety of
100% Pass Mark



Sample - 🧠 ANSWER ✔✔Small part of population that participates in the

study.


Representative Sample - 🧠 ANSWER ✔✔Same characteristics of the

population.


Threats to selecting representative sample - 🧠 ANSWER ✔✔Bias


Selection bias - 🧠 ANSWER ✔✔Participants or subjects are selected in a

manner that increases the probability of obtaining a biased sample.


Eliminating bias - 🧠 ANSWER ✔✔- Law of large numbers


- Researcher's goal

- Sample size of 25 to 30


Probability sampling - 🧠 ANSWER ✔✔- The exact size of the population



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, - Must be possible to list all of the individuals

- Selection must be unbiased


Non-Probabilty sampling - 🧠 ANSWER ✔✔- We do not know the odds and

chances of being selected

- Greater risk of bias


Simple Random Sampling (probability sampling) - 🧠 ANSWER ✔✔-

participants are selected from a list containing the total population

- 2 methods


Method 1 (of simple random sampling) - 🧠 ANSWER ✔✔Sampling with

replacement


Method 2 (of simple random sampling) - 🧠 ANSWER ✔✔Sampling without

replacement


Concerns about simple random sampling - 🧠 ANSWER ✔✔- Chances

determine each selection

- It is possible to obtain a distorted sample

- Bias


Systematic random sampling - 🧠 ANSWER ✔✔- Even nth participant

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STATEMENT. ALL RIGHTS RESERVED