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      name:  <unnamed>
       log:  /Users/anlulu/Documents/1-科研项目/2-海归歧视/数据分析/2024-01030_数据/2024-0
> 1030_日志文件/TableE4_t检验.txt
  log type:  text
 opened on:   1 Apr 2025, 19:53:48

. * 面板A
.   ttest us_vs_china=0

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
us_vs_~a |     158    .0379747    .0777029    .9767102   -.1155032    .1914526
------------------------------------------------------------------------------
    mean = mean(us_vs_china)                                      t =   0.4887
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 0.6871         Pr(|T| > |t|) = 0.6257          Pr(T > t) = 0.3129

. * 面板B
.   ttest ljobperf=0 

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
ljobperf |     158   -.2341772    .0773293    .9720143   -.3869172   -.0814372
------------------------------------------------------------------------------
    mean = mean(ljobperf)                                         t =  -3.0283
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 0.0014         Pr(|T| > |t|) = 0.0029          Pr(T > t) = 0.9986

.   ttest social_envrmt=0   

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
social~t |     158    .6329114    .0630812    .7929179    .5083142    .7575086
------------------------------------------------------------------------------
    mean = mean(social_envrmt)                                    t =  10.0333
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 1.0000         Pr(|T| > |t|) = 0.0000          Pr(T > t) = 0.0000

.   ttest job_oppor=0

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
job_op~r |     158    .7658228    .0696496    .8754815    .6282517    .9033939
------------------------------------------------------------------------------
    mean = mean(job_oppor)                                        t =  10.9954
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 1.0000         Pr(|T| > |t|) = 0.0000          Pr(T > t) = 0.0000

.   ttest economic_devp=0 

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
econom~p |     158    .7405063    .0708049    .8900038    .6006533    .8803594
------------------------------------------------------------------------------
    mean = mean(economic_devp)                                    t =  10.4584
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 1.0000         Pr(|T| > |t|) = 0.0000          Pr(T > t) = 0.0000

. * 面板C
.   ttest hchina_us=0

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
hchina~s |     158   -.0189873    .0800465    1.006169   -.1770943    .1391197
------------------------------------------------------------------------------
    mean = mean(hchina_us)                                        t =  -0.2372
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 0.4064         Pr(|T| > |t|) = 0.8128          Pr(T > t) = 0.5936

.   ttest mchina_us=0 

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
mchina~s |     158    -.221519     .080123     1.00713    -.379777    -.063261
------------------------------------------------------------------------------
    mean = mean(mchina_us)                                        t =  -2.7647
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 0.0032         Pr(|T| > |t|) = 0.0064          Pr(T > t) = 0.9968

.   ttest lchina_us=0

One-sample t test
------------------------------------------------------------------------------
Variable |     Obs        Mean    Std. err.   Std. dev.   [95% conf. interval]
---------+--------------------------------------------------------------------
lchina~s |     158   -.5316456    .0891931     1.12114   -.7078188   -.3554724
------------------------------------------------------------------------------
    mean = mean(lchina_us)                                        t =  -5.9606
H0: mean = 0                                     Degrees of freedom =      157

    Ha: mean < 0                 Ha: mean != 0                 Ha: mean > 0
 Pr(T < t) = 0.0000         Pr(|T| > |t|) = 0.0000          Pr(T > t) = 1.0000

. log close                          // 关闭 log 文件，保存所有内容            
      name:  <unnamed>
       log:  /Users/anlulu/Documents/1-科研项目/2-海归歧视/数据分析/2024-01030_数据/2024-0
> 1030_日志文件/TableE4_t检验.txt
  log type:  text
 closed on:   1 Apr 2025, 19:53:48
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