LS 15 PHELAN UCLA FINAL EXAM NEWEST 2024 -2025

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LS 15 PHELAN UCLA FINAL EXAM NEWEST 2024 -2025

ACTUAL EXAM COMPLETE 100 QUESTIO NS AND

CORRECT DETAILED ANSWERS ( VERIFIED

ANSWERS) |ALREADY GRADED A+

what are the steps of the scientific method? - ANSWER- 1.make observations

• formulate hypotheses
• make a prediction
• conduct an experiment
• conclusion

what 2 things make a hypothesis good? - ANSWER- testable and refutable

what does a prediction sound like - ANSWER- if my hypothesis is true, when i do X, then Y will occur

what is scientific thinking? - ANSWER- 1. we make observations

• we formulate hypotheses
• we make predictions (based on the hypotheses) 1 / 3

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• we devise and carry out experiments (to test the hypotheses

and alternatives)

• we draw conclusions, modify hypotheses, (and continue the

process)

what does scientific thinking do? - ANSWER- scientific thinking illuminates situations in which we should change what we think

what is at the core of scientific thinking? - ANSWER- the ability to imagine a "critical experiment"

how can you increase your experiment's power? - ANSWER- 1.randomize subjects across control and experimental groups

• control your study
• use a double blind design

which experimental tests are better? those done in lab, or in the real world? - ANSWER- the better controlled an experiment is, the more confidence we should have in its results.however, as experiments are better controlled they often are poorer models of the situation of interest (less generalizable)

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pseudoscience - ANSWER- presenting information that is not true, or was not achieved through true scientific thinking/experiments

anecdotes - ANSWER- when we are overly biased on careful study and/or not representative of the norm; the "vaccines cause autism" idea

pseudoscience capitalizes on the belief that: - ANSWER-

scientific thinking is a powerful method for learning about the world, and therefore people are likely to believe pseudoscience even if it is not true

the regeneration of skin cells after a laceration may be attributed to - ANSWER- mitosis

individuals that have the same genotype for a given trait: -

ANSWER- can have different phenotypes for that trait; environment and norm of reactivity

when gametes are produced through meiosis, each sperm or egg

generally ends up with: - ANSWER- exactly one copy of each

autosome

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