When a researcher is interested in measuring the consistency of measurement across repeated observations of a variable on the same subject they are said to be measuring the ___of the measurements.
Fill in the blank(s) with the appropriate word(s).
reliability
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In its study of growth, change, and stability, lifespan development takes what type of approach?
A. intuitive B. scientific C. social D. environmental
In implementing an affirmative action policy, an employer should do all of the following except
a. set and communicate clear and explicit qualifications criteria. b. emphasize the target applicant's unique contributions to the organization. c. clearly inform employees that the use of a quota is, in certain cases, justifiable. d. provide the target applicant and coworkers with specific feedback about the target's qualifications.
The _______________ is the most commonly occurring value in a distribution
Fill in the blank(s) with correct word
In the context of operant conditioning, which of the following promotions exemplifies the use of a fixed-ratio schedule of reinforcement?
A. A café offers its customers a free beverage with breakfast from 7 a.m. to 9 a.m. B. A café prints "You are a winner" on one-twelfth of its coffee and tea lids. Customers who receive such lids can redeem them for free beverages or food items from the café. C. A café provides its customers with cards. Each time a customer purchases a beverage, a hole is punched in his or her card, and when ten such holes are punched, he or she receives a free beverage. D. A café offers its customers buy-one-get-one offers every Monday.