已知rxx=0.31,rxy=0.42,若希望把效度系数提高到0.65和0.70,则测验长度要增加几倍?
第1题
There is no point ______ about the poor working condition here.
A.in complaining
B.to complain
C.of complaining
D.complain
第2题
There is no point ______ about the poor working condition here.
A.in complaining
B.to complain
C.of complaining
D.complain
第4题
The goods under Contract No.15408 left here ().
A、in a good condition
B、in good conditions
C、in good condition
D、in the good condition
第5题
The main thing the author notices about the furniture is that ______.
A.it looks or smells dirty
B.most of it is in poor condition
C.it is very cheap
D.nothing matches anything else
第6题
The goods under Contract No. 3617 left here( ).
A. in an apparent good condition B. in apparent good conditions
C. in apparent good condition D. in the apparent good condition
第7题
第 28 题
A. condition
B. point
C. position
D. capacity
第8题
The goods under L/C No. 1234 left here _.
A.in a good condition
B.in good conditions
C.in good condition
D.in the good condition
第9题
The poor condition of streams in the U.S. can be attributed to
A.overfishing of native fish species.
B.lack of up-to-date monitoring equipment.
C.the demand for water in the U.S.
D.the global water shortage.
第10题
Those who consider the poverty line high point out that ______.
A.the poor people enjoy other benefits
B.the society as a whole is not well-off
C.the poor people may conceal their real income
D.the poor people need less money to support themselves
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