Concrete material used in today’s facilities for making concrete blocks generally has a slump of 

Nominal dimensions are equal to the standard dimensions plus the thickness of one mortar joint (typically 3/8 in.)

There are three different wall design concepts with respect to the manner in which they manage moisture. All above-grade and below-grade building envelope systems can be classified as one of these types or a combination of types. (select all that apply)

A researcher studies digital distraction by recording how many times students look away from a reading passage to check notifications during a 20-minute session. What is the operational definition of digital distraction in this study?

A research team wants to observe leadership during team meetings. Which coding rule would best support interrater reliability while still measuring leadership behavior?

Three research teams study academic engagement. One records class attendance, one counts optional practice activities, and one uses a self-report engagement scale. What should a careful reader recognize?

A researcher assigns participants to complete a planning worksheet before a group task and then measures task completion afterward. Which causal criterion is addressed by making sure the worksheet comes before the outcome?

A company tests whether a supervisor-training workshop reduces employee turnover during the following six months. What feature most strongly suggests that this is applied research?

A researcher creates a new patience scale. A scatterplot shows that people with higher scores on the new scale also tend to score higher on an established patience questionnaire. What does this pattern support?

A news headline says, ‘New Study Proves Social Media Causes Depression.’ The article describes a survey in which people who reported more social media use also tended to report more depressive symptoms. What should a careful reader do before accepting the headline?