100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Summary Introduction to research methodology key-terms £3.47   Add to cart

Summary

Summary Introduction to research methodology key-terms

 91 views  3 purchases
  • Module
  • Institution
  • Book

List of the key terms for Research Methodology. Only studied these and passed with a 9.0!

Preview 2 out of 6  pages

  • Yes
  • December 12, 2018
  • 6
  • 2018/2019
  • Summary
avatar-seller
Chapter 2
● Bias blind spot
○ You believe you don’t think in a biased way
● Meta-analysis
○ Combines the results of many studies and gives a number that
summarizes the magnitude or effect size of a relationship
● Effect size
○ The strength of a relationship between two or more variables

Chapter 3
● Construct validity
○ How well a conceptual variable has been operationalized
● Statistical validity
○ Whether the data of a study supports the claim
● Type 1 error
○ Concluding there’s a relationship between two variables when in fact there
isn’t
● Type 2 error
○ Concluding there’s no association when in fact there is
● Covariance
○ Two variables are related and occur together in situations
● Temporal precedence
○ One variable occurs in time before another
● Face validity
○ Intuitively judge whether measure is good or not
● Content validity
○ Whether all components of the construct appear in the measurement
● Criterion validity
○ Whether the measure is associated with a concrete behavioral outcome it
should be associated with, according to conceptual definition
○ Competitive validity
■ The predictability of a criterion in the present
○ Predictive validity
■ The predictability of a criterion in the future
● Convergent validity
○ Whether constructs meant to be related are in fact related
● Discriminant / divergent validity
○ Whether constructs not meant to be related are in fact unrelated

, Chapter 5
● Ordinal scale
○ Values of quantitative variable are arranged in order
● Interval scale
○ Subsequent numerals represent equal distance but there is no true zero
○ Shoe size / IQ
● Ratio scale
○ Numerals represent equal distances but there is a true zero
○ Number of correct answers
● Internal reliability
○ Consistent data is obtained regardless of how the researcher formulates
question
● Cronbach’s alpha
○ Looks at the relationship between all items

Chapter 6
● Acquiescence
○ Saying ‘yes’ or ‘strongly agree’ to everything as a shortcut
● Fence sitting
○ Choosing middle option so not having/showing an opinion
● Observer bias
○ When researcher’s expectations influence interpretation of participants’
behavior or outcome of study
● Observer / expectancy effect
○ Participant behavior changes to match observer expectations
● Reactivity
○ Change of behavior when participants know they are being watched

Chapter 7
● Probability sampling
○ Every person in a population has equal chance of being selected
● Simple random sampling
○ Listing each individual in a population and randomly selecting some
● Cluster sampling
○ Clusters of participants within a population of interest are randomly
selected, and all individuals from selected clusters are used
● Multistage sampling
○ Two random samples are collected: a random sample of clusters, then a
random sample of people within those clusters

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller coad517. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £3.47. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

85443 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£3.47  3x  sold
  • (0)
  Add to cart