Other research has shown question-order effects can happen within a single item and may arise because the content elicited by the two prompts is similar (Schuman and Presser, 1981).
Since then, research has shown beyond question that a variety of climatic effects can have a profound influence on landscape, that climates change (often with great frequency and intensity), and that virtually none of these events can be termed accidental.
As Mr. Obama has shown, the question is not whether whites are willing to vote for a black candidate, but whether black candidates can put together winning coalitions (no matter their racial makeup) and around what policies.
If there's one thing history has shown without question, it's that humanity will always have its challenges.
Our previous work has shown that closed questions produce a higher awareness score than open questions, but the correlates of the two types of question tend to be similar (Waller et al, 2004).
Considerable research has shown that specific questions are answered more reliably and with greater validity than general questions [ 14].
The UK has shown how these questions can be addressed, devolving the powers to allow Scotland to hold its September referendum on independence, the option that Madrid has rejected for us.
A test-retest study has shown that these questions have good reliability (Gittelman et al., 2016).
Indeed, history has shown that scientific questions once thought intractable are solved.
The sensitivity analysis of the model for the input of variables of the process in question has shown that the key parameters describing ammonia emissions released in composting sewage sludge are pH and the carbon to nitrogen ratio (C N).
